Phần bài tập:
Bài tập 1: Hoàn thành những câu sau với “must not” và “need not”.
1. You ___________ ring the bell; I have a key.
2. We ___________ drive fast; we have a plenty of time.
3. We ___________ drive fast; there is a speed limit here.
4. Candidates ___________ bring books into the examination room.
5. You ___________ write to him for he will be here tomorrow.
6. We ___________ make any noise or we’ll wake the baby.
7. You ___________ do all the exercises. Ten sentences will be enough.
8. I want this letter typed but you ___________ do it today. Tomorrow will do.
9. You ___________ take anything out of the shop without paying for it.
10. You ___________ carry that parcel home yourself; the shop will send it.

Phần bài tập:

Bài tập 1: Hoàn thành những câu sau với “TOO” hoặc “ENOUGH”

         1. I don’t have …….. money to go to the concert.            

         2. Have you got …… sugar in your coffee ?

         3. I didn’t like the film; it was ……. slow.

         4. I didn’t like the film ; it wasn’t quick …….. .

         5. There isn’t ……. flour to make the cake.

         6. Do you think I’ve got …… qualifications to apply for the job ?

         7. I can’t drink my tea; it is …… hot.

         8. Can you lift that suitcase ? Is it not ……. heavy ?

         9. l couldn’t eat the fruit. It wasn’t ripe …….. .

         10. I can’t explain the situation; it ‘s ……. complex.

Phần bài tập:

Bài tập 1: Hoàn thành những câu sau sử dụng cụm từ hay mệnh đề chỉ mục đích.

         1. He climbed the tree _____________ get a better view.

         2. You should get up early _____________ you will have time to review your lesson.

         3. Some young people like to earn their own living ______ they will be independent of their parents.

         4. We should do morning exercises regularly _____________ improve our health.

         5. We should take advantage of the scientific achievements of the world _____________ we can

              develop our national economy.

         6. Every people in the world must unite their efforts _____________ maintain and protect peace.

         7. She put on warm clothes _____________ she wouldn’t catch cold.

         8. He hurried to the station _____________ miss the train.

         9. She locked the door _____________ be disturbed.

            10. He hurried ___________ he could catch the train.

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. ___________, few trees can grow there.

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

         3. James was not admitted to the university ___________ the age.

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

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

         6. The match went ahead ___________ the heavy rain.

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

         8. Nam had to stay home to look after his mother _______________ 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

III

1. we are going to organize a meeting of local ___ next week. (conserve)

2. the government wants to reduce tobacco ___ by 40%. (consume)

3. some ____ want more information about the food they buy. (consume)

4. Many household ____ are expensive for us to buy. (apply)

5. These ____ will conserve the earth's resources. (innovate)

6. There have been recent ___ in steel-making technology. (innovate)

7. ________, you'll have to make the decision yourself. (ultimate)

8. I would like to make a _____. (suggest)

9. In the future, many building will be _____ by solae energy. (hot)

10. he is one of the most famous ____ in the world. (environment)

11. I'm very ____ because they use electricity to catch fish. (worry)

12. I want to see the ____ of environment from the local authority. (protect)

13. If we go on littering, the environment will become ____ polluted. (serious)

14. there is a ___ faucet in your kitchen. (drip)

15. we can protect the environment by ___ air pollution. ( reduction)

16. people need to increase their daily ___ of fruit and vegetables. (consume)

17. the tablets work more ___ if you take a hot drink after them. (efficient)

18. Nowadays, the consimers want the products that work ___ and save money. (effect)

IV

1. Phong didn't feel well (or/and/but/so/because/however/therefore) he didn't go to work.

2. please turn down the radio (or/and/but/so/because/however/therefore) I want to be able to get to sleep.

3. It rained very hard (or/and/but/so/because/however/therefore) he went out without a raincoat.

4. please try to speak nore slowly (or/and/but/so/because/however/therefore) please try to speak more clearly.

5.john couldn't pick us up for the concert (or/and/but/so/because/however/therefore) his car would't start.

Phần bài tập:

Bài tập 1: Hoàn thành những câu sau, sử dụng “BECAUSE” hoặc “BECAUSE OF”

1. The car crashed ___________ the driver was careless.

2. He walked slowly ________ his hurt leg

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

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

5. I can’t sleep __________ the hot weather.

6. He retired last month _____________ his illness.

7. They stayed at home ____________ it rained.

8. The boy was punished ___________ his bad behavior.

We learn hard. we hope to pass the exam (and)

->.........................................................................................................................

They whispered. They didn't want us to hear them (because)

->.........................................................................................................................

We are saving money. We want to buy a new house (so)

->.........................................................................................................................

I am going to the supermarket.......................I want to buy some food

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

Do you want to have coffee................tea?

A. and B. or C. although D. and

She studies well.......................she is busy

A. because B. since C. although D. and

They went to school.......................it was raining hard

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

I have a lot of things to do every day. Often I don't have enough time to do everything I have to do. One reason for this (1).......... that when people ask (2)....... help, I often volunteer. I know that I shouldn't volunteer so much; I should just (3)...... to do the few things that I really want to do, then I could do these things better and could (4).......... more time, I want to learn (5)......... to play the piano, but in (6)......... to do this, I should practice every day, or at least a (7)........ times a week. I want to (8)........ an English cause, but it would take me five evenings a week to go class. I wish I could go (9)........ out of the city to spend the weekends. May be my New Year's resolution should be to work less and to enjoy (10)....... more!