_Ngôi kể: Ngôi thứ nhất ( xưng tôi)

_Lời kể: Tự sự

1. They are hoping to ______ a family soon.

A. begin                     B. start                        C. set up                     D. settle

2. Some people believe that their boyfriend or girlfriend is their ______, which means that two people are destined to be together.

A. childhood sweetheart     B. soul mate              C. mutual friend       D. good friend

Chuyển đổi giữa khối lượng và mol

\(n=\dfrac{m}{M}\\ m=n\cdot M\\ M=\dfrac{m}{n}\)

Trong đó:

\(n:\)  số mol

\(m:\) khối lượng (gam)

\(M:\) khối lượng mol (g/mol)

Chuyển đổi giữa thể tích và mol (đối với chất khí ở điều kiện chuẩn)

\(n=\dfrac{V}{22,4}\\ V=n\cdot22,4\)

Trong đó:

\(n:\) Số mol

\(V:\) Thể tích chất khí ( l)

3. Rewrite the sentences which make no change in their meanings

11. He doesn’t open the book.

The book …isn't opened …………………………………………………………………………

12. People speak English in almost every corner of the world.

English…is spoken in almost every corner of the world.…………………………………………………………………………….

13. Nothing can change my mind.

My mind…can't be changed…………………………………………………………………………...

14. I heard her sing this song last night.

She…sang this song last night…………………………………………………………………………………

15. She helps me to do all these difficult exercises.

I……am helped to do all these difficult exercises………………………………………………………………………………….

Exercise 4:Using the words in the box to complete the sentences.

1. Quang Ngai …province………….. is my father’s hometown.

2.The town is large and……crowded…………..

3. My aunt and uncle live in a small …village…………. in the countryside.

4.The food in my hometown is fresh but …expensive…………..

5.In ……Maths…………. lesson , we study many interesting things about the numbers.

6. Her family lives on the third ……floor………… of  Ha Noi Tower.

7. There is a big and tall ………tower………… in front of my house.

8.In …………Art…………….. lesson , we study draw a picture.

9. Da Nang is one of the most beautiful …     city ……….. in Vietnam.

10. Her ……  address      ……….. is 205, Nguyen Chi Thanh Street.

11. Truong Son is the longest ……     mountain …………… in my hometown .

12. I went to the supermarket with my brother by…motorbike ………………..

13. Nam’s brother ……favourite……………book is Doreamon

14. Last night we………had……..nice food and drink at Lan’s party .

15. I like Tam because she is pretty and……gentle……………

16. Her son always brushes his teeth ………before…………..going to bed .

17. Phong likes ……detective ……….books ,so he bought Case Closed and Sherlock Holmes.

18. I can see a python. It’s moving……quietly……..in the garden .

19. We will……explore………….some caves in Ha Long Bay next week .

20.Mai’s favourite subject is music because she loves………singing…………

Exercise 4: Fill in the gaps:

1. She often…plays…….badminton in the afternoon.

2.. She always comb her…hair………before going to school.

3. Tom sometimes stays …at……home at weekend

4. They go to school…from……..Monday…to…..Friday

5. What did you do …on…….your summer holiday?

6. …………Where …did you go? - I went to Ha Long bay

7. …How……….did you get there?    - by coach

8.. She likes going to her hometown…by……train

 9.In ……Maths………….we study many interestings  about the numbers.

10.. Last Sunday he went to the seaside and swam …in……the sea

11. What did you do last night? – I surfed the Internet ……for…… my school project

12. I …went……..to the cinema last night with my friends

13. It was Sunday yesterday, Tony’s family…went……out for lunch

14. In the evening, he had no homework and he went to bed……early……..

15. Yesterday, after getting up, he …brushed…….his teeth and ……washed…….his face

16. He left……from……school at 7 o’clock

17. We visited the bookstall to look ....for.............the books.

18. I think I'll.......live................in the mountains.

19. Hoa learns English……because………………she wants to becomes a teacher of English .

20,. Nam learns …to………….read by reading comic books .

21. She lives…on……………the fourth floor of Ha Noi Tower .

22. How often do you come ……to…..visit your uncle and aunt ?

23. I …stayed up……………. last night ,so I can’t get up early this morning.

24. Why are Science lessons interesting …to……….. her.

25. My classmates often help each other ……with…………..their

1. John had finished the homeworks before we came

2. When I arrived yesterday, the lesson had already started for 20 minutes

3. What had you eaten before you went to school yesterday morning?

4. They haven't cleaned the house for many weeks

\(x^2-2x-24\\ =x^2-2x+1-25\\ =\left(x-1\right)^2-5^2\\ =\left(x-1-5\right)\left(x-1+5\right)\\ =\left(x-6\right)\left(x+4\right)\)

1. A

2. had had / went