Exercise 8: VERB TENSES: Choose the best answer to complete these sentences.

1. They...here in ten minutes.

A.come B.came C.will come D.have come

2.The sea ....................... two thirds of the earth.

A.cover B.will cover C.is covering D.covers

3. When I ............... for school this morning, it.................so I used my umbrella.

A.leave/rained B.left/was raining C.was leaving/rained D.was leaving was raining

Exercise 9: PASSIVE VOICE: Choose the best answer to complete these sentences.

1. A lot of money _ on food and clothes

A. spending B. is spent C. was spent D. spent

2. The longest fish in the contest was eighteen inches long". -"It ……….by Thelma Rivers".

A. was catching B. caught C. was caught D. catch

3. Gold………in California in the nineteenth century.

- A. was discovered B. has been discovered C. was discover D. they discovered

4.All planes………..before departure

A. will checked B. will has checked C. will be checked D. will been checked

5. "Where did you get these old dresses?" - "They ….in the old truck”

A were found B. found D. have been found C. finding

6. There's somebody behind us. I think we are…….

A. being followed B. are followed C. follow D. following

7. Laura……….in Boston

A are born B. were bom C. was born D. born

8. "Ms Jones, please type those letters before noon" -"They've already…..,sir.They're on your desk.”

A. typed B. been being typed C. being typed D. been typed

MỌI NGƯỜI GIÚP MÌNH NHANH NHANH VỚI MÌNH CẢM ƠN NHIỀU

Exercise 9: Combine these sentences using one of these words: Who, Whom. That, Which, Whose (MỌI NGƯỜI ƠI GIÚP MÌNH VỚI MÌNH ĐANG CẦN GẤP MÌNH CẢM ƠN RẤT NHIỀU)

1. Stop him. He's the man. He stole my wallet. (Who)

2. Mr. David comes from England. He has never been to Vietnam. ( who)

3.I'm staying with the boy. His brother looks very handsome. ( whose)

4.We talked about the books and writers. That made us bored. ( which)

5.Henry is also a member of the board. You'll meet him tomorrow, (who)

6. Can you answer the questions. I ask you those questions? (which)

7. The lady is a teacher at our school. Her son went on a picnic with us last weekend. (whose)

8. He is the only friend. I like him. (whom)

9. He can't swim. That makes me surprised. (which)

10. We are visiting Ha Long. It is in the north of Viet Nam. ( which)

11. They have invented a television set. It is small as a watch. ( which)

12. We visited children. Their parents are dead in that flood. (whose)

13. I'm talking about Tom. He is really friendly. ( who)

14. The student did this exercise. He might be very intelligent. (who)

15. Peter couldn't come to the party last night. That was really a pity. (which)

Exercise 9: Combine these sentences using one of these words: Who, Whom. That, Which, Whose

1. Stop him. He's the man. He stole my wallet. (Who)

2. Mr. David comes from England. He has never been to Vietnam. ( who)

3.I'm staying with the boy. His brother looks very handsome. ( whose)

4.We talked about the books and writers. That made us bored. ( which)

5.Henry is also a member of the board. You'll meet him tomorrow, (who)

6. Can you answer the questions. I ask you those questions? (which)

7. The lady is a teacher at our school. Her son went on a picnic with us last weekend. (whose)

8. He is the only friend. I like him. (whom)

9. He can't swim. That makes me surprised. (which)

10. We are visiting Ha Long. It is in the north of Viet Nam. ( which)

11. They have invented a television set. It is small as a watch. ( which)

12. We visited children. Their parents are dead in that flood. (whose)

13. I'm talking about Tom. He is really friendly. ( who)

14. The student did this exercise. He might be very intelligent. (who)

15. Peter couldn't come to the party last night. That was really a pity. (which)

A. PHONETICS Exercise 1. Find the word which has a different sound in the part underlined 1.A. mobile B. modern C. electronic D. concentrate

2.A. distract B. tablet C. date D. concentrate

3.A. access B. affect C. application D. fact

4.A. digital B. fingertip C. identify D. mobile

5. A. recordings B. educate C. children D. device

Exercise 2. Choose the word which has a different stress pattern from the others

1.A.digital B. expensive C.general D.benefit

2.A. horrible B. practical C.encourage D. calculate

3.A. impolite B. different C.stimulate D. personal

4.A. consider B. astonished C. overwrite D. operate

5.A. imagine B. interact C. effective D. encourage

MỌI NGƯỜI ƠI GIÚP MÌNH VỚI CẢM ƠN NHIỀU(GIẢI THÍCH HỘ MÌNH CÁCH LÀM LUÔN NHA)

RÚT GỌN:

A=cos 32 độ.cos 28 độ-sin32độ.sin28 độ

B=cos 220 độ.cos 170 độ-sin 220 độ.sin 170 độ

C=\(cos\frac{5\pi}{9}.sin\frac{7\pi}{1\text{8}}-sin\frac{5\pi}{9}.cos\frac{7\pi}{1\text{8}}\)

.(MOỊ NGƯỜI ƠI GIÚP MÌNH VỚI MÌNH CẢM ƠN NHIỀU)

những biện pháp chủ yếu trong phòng trừ tổng hợp dịch hại cây trồng theo em biện pháp nào được coi là quan trong nhất? giải thích?

MỌI NGƯỜI ƠI GIÚP MÌNH NHANH NHANH VỚI

\(A=2\cos^4a-\sin^4a+\sin^2a.\cos^2a+3\sin^2a\)

Chứng minh các biểu thức sau ko phụ thuộc anpha(MỌI NGƯỜI CHỨNG MINH HỘ MÌNH VỚI)