1. ____although_________ he worked hard, he didn’t receive any praise.
2. He ate the chocolate cake _______even though______ he is on diet.
3. _________despite____ the high prices, my daughters insist on going to the movies every Saturday.
4. _________Although____ it was cold, I went aout.
5. ________even though_____ John didn’t study hard, he succeeded.
6. We took many picture _________in spite of____ the cloudy sky.
7. _____Despite________ her poor memory, the old woman told interesting stories to the children.
8. She went home early _______because___ she didn’t feel well.
9. I couldn’t get to sleep ________because of___ the noise.
10. The students arrived late____because of_________the traffic jam.

Bài 1 : 

\(a) 4P + 5O_2 \xrightarrow{t^o} 2P_2O_5\\ P_2O_5 + 3H_2O \to 2H_3PO_4\\ 3Mg + 2H_3PO_4 \to Mg_3(PO_4)_2 + 3H_2\\ b) S + O_2 \xrightarrow{t^o} SO_2\\ 2SO_2 + O_2 \xrightarrow{t^o} 2SO_3\\ SO_3 + H_2O \to H_2SO_4\\ Fe + H_2SO_4 \to FeSO_4 + H_2\\ Zn + FeSO_4 \to ZnSO_4 + Fe\\ c)2KMnO_4 \xrightarrow{t^o} K_2MnO_4 + MnO_2 + O_2\\ 2Ca + O_2 \xrightarrow{t^o} 2CaO\\ CaO + H_2O \to Ca(OH)_2\\ Ca(OH)_2 + CO_2 \to CaCO_3 + H_2O\\ \)

$CaCO_3 + 2HCl \to CaCl_2 +C O_2 + H_2O$

Bài 2 : 

\(a) S+O_2 \xrightarrow{t^o} SO_2\\ 2SO_2 + O_2 \xrightarrow{t^o,xt} 2SO_3\\ SO_3 + H_2O \to H_2SO_4\\ Fe + H_2SO_4 \to FeSO_4 + H_2\\ FeSO_4 + BaCl_2 \to BaSO_4 + 2HCl\\ FeCl_2 + 2KOH \to Fe(OH)_2 + 2KCl\\ b) Mg + H_2SO_4 \to MgSO_4 + H_2\\ MgSO_4 + BaCl_2 \to BaSO_4 + MgCl_2\\ MgCl_2 + 2KOH \to Mg(OH)_2 + 2KCl\\ Mg(OH)_2 \xrightarrow{t^o} MgO + H_2O\\ MgO + H_2SO_4 \to MgSO_4 + H_2O\\ \)

\(c) Cu(OH)_2 \xrightarrow{t^o} CuO + H_2O\\ CuO + H_2 \xrightarrow{t^o} Cu + H_2O\\ Cu + 2H_2SO_4 \to CuSO_4 +S O_2 + 2H_2O\\ CuSO_4 + 2KOH \to Cu(OH)_2 + K_2SO_4\)

A : CuO ; C : Cu ; E : CuSO4

\(a.\)

\(4P+5O_2\underrightarrow{^{t^0}}2P_2O_5\)

\(P_2O_5+3H_2O\rightarrow2H_3PO_4\)

\(3Mg+2H_3PO_4\rightarrow Mg_3\left(PO_4\right)_2+3H_2\)

\(b.\)

\(S+O_2\underrightarrow{^{t^0}}SO_2\)

\(SO_2+\dfrac{1}{2}O_2\underrightarrow{^{V_2O_5,t^0}}SO_3\)

\(SO_3+H_2O\rightarrow H_2SO_4\)

\(Fe+H_2SO_4\rightarrow FeSO_4+H_2\)

\(Zn+FeSO_4\rightarrow ZnSO_4+Fe\)

1. The car crashed ___because________ the driver was careless.

2. He walked slowly ___because of_____ his hurt leg

3. We didn’t go out ____because______ it rained heavily.

4. She went to bed early _____because_______ she felt tired.

5. I can’t sleep ____because of______ the hot weather.

6. He retired last month ____because of_________ his illness.

7. They stayed at home ____because________ it rained.

8. The boy was punished ____because of_______ his bad behavior.

Bài 1:

1. because 

2. because of

3. because 

4. because 

5. because of

6. because of

7. because 

8. because of

Bài tập 2: Hoàn thành những câu sau với “although, therefore, however, but, so, because, despite, because of” và những từ thích hợp khác.

         1. It is very hot in the desert. ___Therefore________, few trees can grow there.

         2. Jame is offered the job, ______although_____ he is inexperienced.

         3. James was not admitted to the university ____because of_______ the age.

         4. I tried to persuade her. ______However_____, I didn’t succeed.

         5. The story was very funny, _______but____ nobody laughed.

         6. The match went ahead _____despite______ the heavy rain.

         7. It was too dark to go on, _________so__ we found somewhere to stay.

         8. Nam had to stay home to look after his mother ________because_______ she was sick.

Bài tập 3: Chọn câu trả lời đúng nhất.

         1. It was late, __________ I decided to phone home.

            A. however                   B. but                               C. although                       D. because

         2. Minh had a terrible headache. ____________, he went to school.

            A. Therefore                 B. Although                      C. But                               D. However

         3. Tom has a bike, ______________ he always walks to work.

            A. so                             B. but                               C. because                        D. however

         4. Her mother was sick. ____________, Jane had to stay home to look after.

            A. Therefore                 B. Since                            C. However                       D. So

         5. They asked me to wait for them, ________________they didn’t turn up.

            A. but                           B. however                       C. so                                 D. therefore

         6. It was raining hard. The match went ahead, _____________ .

            A. therefore                  B. however                       C. but                               D. so

         7. We couldn’t get a seat, ____________ we arrived quite early.

            A. but                           B. however                       C. although                       D. because

         8. Anne doesn’t get on well with people around her. She has ____________ changed her job many times.

            A. however                   B. so                                 C. therefore                      D. although

         9. I did my best. ____________, it was not good enough.

            A. However                   B. Therefore                     C. Although                      D. Even though

         10. Many airlines are offering discount tickets for flights, ___________ more people are flying for weekend trips to scenic cities.

            A. so                             B. because                        C. although                       D. whereas

Bài 5: Hoàn thành câu sau với “because (of)” ; “(al)though/even though /despite/ in spite of”.

    1. __Although___________ he worked hard, he didn’t receive any praise.

    2. He ate the chocolate cake ____although_________ he is on diet.

    3. ____Despite_________ the high prices, my daughters insist on going to the movies every Saturday.

    4. _______Although______ it was cold, I went aout.

    5. ___Although__________ John didn’t study hard, he succeeded.

    6. We took many picture ___despite__________ the cloudy sky.

    7. _____Despite________ her poor memory, the old woman told interesting stories to the children.

    8. She went home early ___because__________ she didn’t feel well.

    9. I couldn’t get to sleep ____because of_________ the noise.

    10. The students arrived late_____because of________the traffic jam.

Bài 1: Hoàn thành những câu sau đây với although/in spite of/because/because of

1. Although it rained a lot, we enjoyed our holiday.

2. I went home early ……because…………………….. I was feeling unwell.

I went to work the next day …………although……………….. I was still feeling unwell.

3. I managed to get to sleep …………although………………. there was a lot of noise.

I couldn’t get to sleep ……because of…………………. the noise.

4. …In spite of………………. all our careful plans, a lot of things went wrong.

………Although………….. we’d phoned everything carefully, a lot of things went wrong.

5. She only accepted the job ………because of………………. the salary, which was very high.

She accepted the job ………in spite of…………………… the salary, which was rather low.

Bài 2: Viết lại câu với although/ in spite of/ despite

1. Even though he usually tells lies, many people believe him.

In spit of usually telling lies, many people believe him.

2. Despite the fact that he got bad grade in the university entrance exam, he was admitted to the university.

Athough he got bad grade in the university entrance exam, he was admitted to the university.

3. Although she was out of money, she went shopping

In spte of being out of money, she went shopping

4. In spite of missing the bus, we went to school on time.

Although we missed the bus, we went to school on time.

5. Although the weather was bad, we had a wonderful holiday with a lot of interesting activities

Despite the bad weather, we had a wonderful holiday with a lot of interesting activities

Bài 3: Hoàn thành các câu dưới đây bằng cách sử dụng although/ despite/ in spite of.

1………Although………….. the story of the film was good, I didn’t like the acting.

2. I really enjoyed the Water War……although……………. most of my friends said it wasn’t a very good film.

3………Although………….. the film was gripping, Tom slept from beginning to end.

4. I went to see the film …in spite of………………. feeling really tired.

5………Although………….. careful preparation, they had a lot of difficulties in making the film.

Bài 4: Cho những câu dưới đây, hãy tìm và sửa lỗi sai (nếu có)

1. Although being a poor, Binh learnt very well.

Apthiugh=>Despite

2. Despite Sonay had completed this project, he went to sleep.

Despit=>although

3. The flight wasn’t postponed although his foggy.

although=>despite

4. Although the heavily storm, I still went to school last Monday.

although=>despite

5. Despite Minh Anh was thirsty, she didn’t drink much.

Despite=>although

– Bài 5: Viết lại câu sao cho nghĩa không thay đổi

1. Although his friend was sick, she still went to work yesterday.

=> Despite the fact that his friend was sick , she still went to work yesterday. 

2. Despite her unkind behavior, we still love her.

=> Although she behaved unkind, we still love her

3. Despite the fact that Tony learnt very hard, he failed this test.

=>  Although Tony learnt very hard, he failed this test.

4. Her brother really enjoy this job although the salary was very low.

=>  Despite the low salary, Her brother really enjoy this job 

5. In spite of the dirty room, Salim didn’t clean it.

=> Although the room was dirty, Salim didn't clean it

6. Although there was the traffic jam, they went to the post office.

=> Despite the traffic jam, they went to the post office.

7. Although my uncle was tired, he still drove a hundred kilometers to the next city.

=> Despit being tired, he still drove a hundred kilometers to the next city.

8. The film poster is wonderful. I don’t like to see it.

=>  Although The film poster is wonderful, I don’t like to see it.

1 because

2 because of

3 because

4 because 

5 because of

6 because of

7 because

8 because of

1 Although it rained a lot, we enjoyed our holiday.
2 a, ..........In spite of................... all our careful plans, a lot of things went wrong.
  b, .............Although........ we'd phoned everything carefully, a lot of things went wrong.
3 a,  I went home early ...............because............. I was feeling unwell.
  b, I went to work the next day.............although........ .... I was still feeling unwell.
4 a, She only accepted the job ............because of........................... the salary, which was very high.
  b, She accepted the job ..................in spite of.................... the salary, which was rather low.
5 a, I managed to get to sleep .............although................. there was a lot of noise.
  b, I couldn't get to sleep .................because of......................... the noise.

Bài 4. Điền các câu sau với : although/in spite of/because/because of

1 Although it rained a lot, we enjoyed our holiday.
2 a, ..........In spite of................... all our careful plans, a lot of things went wrong.
  b, .............Although........ we'd phoned everything carefully, a lot of things went wrong.
3 a,  I went home early ...............because............. I was feeling unwell.
  b, I went to work the next day.............although........ .... I was still feeling unwell.
4 a, She only accepted the job ............because of........................... the salary, which was very high.
  b, She accepted the job ..................in spite of.................... the salary, which was rather low.
5 a, I managed to get to sleep .............although................. there was a lot of noise.
  b, I couldn't get to sleep .................because of......................... the noise.

Bài 5. Nối câu sử dụng các cụm từ gợi ý

1 I couldn't sleep. I was very tired.
Despite I couldn't sleep despite being vey tired.
2. They have very little money. They are happy.
In spite of .having very little money, they are happy

3. My foot was injured. I managed to walk to the nearest village.
Although my foot was injured, I managed to walk to the nearest village.

4. I enjoyed the film. The story was silly.
In spite of  silly story, I enjoyed the film.
5. We live in the same street. We hardly ever see each other.
Despite live in the same street, we hardly ever see each other.
6. I got very wet in the rain. I was only out for five minutes.
Even though I was only out for five minutes, .I got very wet in the rain.
7. Although Tom was a poor student, he studied very well.
In spite of  being a poor student, Tom studied very well.
8. Mary could not go to school because she was sick.
Because of being sick, Mary could not go to school.
9. Although the weather was bad, she went to school on time.

Despite the bad weather, she went to school on time.

10. Because there was a big storm, I stayed at home.
Because of a big storm, I stayed at home.
11. In spite of his good salary, Tom gave up his job.

Although Tom's salary was good, he gave up his job.

Although he is so young, his acting is excellent.

In spite of the fascinating film poster, I don't want to see this film.

Despite our careful plan, we made some mistakes.

1. taught

2. stopped

3. tried

hok tốt

1. taught

2. stopped 

3. tried

thêm vài câu nữa:

4.The firemen......................the woman from the burring house.

5.The cat.............................................to the tree

6.It was very cold, so we.........................................the window

7.After the film, we.......................home.