IV. Viết lại câu sao cho nghĩa ko thay đổi

1. That book belongs to Nam.     

->That is .............................................................. 

2.What is the age of Peter ?

-> How .........................................................

3.No one in our class is taller than Nam .

-> Nam is the ............................................

4. Mr. Hung drives very carefully.

->Mr. Hung is................................................

5. Does your father cycle to work?

->Does your father get ....................................................................................?

6.Why don’t we go to the movies tonight?

-> What about…………………………..?

7. She doesn’t have classes on Sunday  .

-> She never………………………………………………….

8. How wide is BaDinh square->What............................................................................................................................?

9. Reading is more boring than watching TV

->Watching Tv is more.............................................................................

A=1.101+2.102+3.103+...+299.399 B=1²+2²+5²+...+299².

So sánh A và B

E= (1/3-1).(1/6-1).(1/10-1)...(1/45-1)

E= (1/3-1).(1/6-1).(1/10-1)...(1/45-1)

D=[(0,4-2/9+2/11)/(1,4-7/9-7/11)] - [(1/3-0,25+1/5)/(1/6-0,875+0,7)]

B=1-2+3-4+...+1999-2000+2001

VII.Rewrite the sentences. Ex: They were married five years ago. −> They havebeen married for five years. 1. The last time we saw her was on Christmas day. We haven’t .................................................................................................................................. 2. I haven’t eaten this kind of food before. This is .......................................................................................................................................... 3. It started raining an hour ago. It has ............................................................................................................................................ 4. We haven’t visited my grandfather for two months. The last time ................................................................................................................................ 5. I have studied English for three years. I began ......................................................................................................................................... 6. My brother hasn’t seen his best friend for nearly five years. It’s ............................................................................................................................................... 7. When did you start learning English? How long ..................................................................................................................................... 8. We started living here fifteen years ago. We have ...................................................................................................................................... 9. The last time she visited me was five years ago. She hasn’t .................................................................................................................................... 10. I last wrote to my uncle in July. I haven’t ...................................................................................................................................... 11. It’s long time since we became close friend. We have ...................................................................................................................................... 12. Minh began to collect stamps in 2000. Minh has ......................................................................................................................................

V. Each sentence belows contains an error. Underline it and write the correct answer in the space provided.

1. If we will cycle more, we will reduce air pollution.                   ______________

2. My brother can't swim, so he afraid of water.     ______________

3. Not eat too much salt because it is not good for you.           ______________

4. They won't going to the Time Square to welcome the New Year.     _______________

5. You should always to tell an aldult where you are going.         ________________

Bài nâng cao

a) So sánh hai biểu thức A và B, biết: A=10¹⁵+1/10¹⁶+1 và B =10¹⁶+1/10¹7+1 

b)Tìm các giá trị nguyên của n để phân số B= 2n+5 /n+3 có giá trị là một số nguyên.