1B 2C 3A 4C 5A 6D 7A 8A 9B 10D 11A 12B

14A 15C 16D 17B 18C 19C 20D 21D 22B 23C 24C 25A 26C

1. Beat 2. Heat 3. Pour 4. server  5. Fold 6. Place

II. 

1. am going to 

2. tastes/ are

3. has become

4. went

5. is learning

6. won't be 

7. is cut 

8. eats

9. stewing

10. to drink

These Dong Ho paintings are more expensive than those modern paintings.

→ Those modern paintings are not as expensive as these Dong Ho paintings.

2. Rock music / not/ as popular / pop music.

→ Rock music is not as popular as pop music.            

1. am not/ don't want

2. is having

3. Are/ is

4. Does/like 

5. is cooking/ cooking

6. to have

7. Have you written

8. wrote 

9. flies (bởi vì chuyến bay đã được lên lịch fixed nên thì hiện tại đơn được dùng với nghĩa tương lai) 

1. The room is cleaned by my sister everyday. 

2. Orange juice should be drunk by the children. 

Bạn ơi, đó là lí do mình chỉ dùng gạch xéo 2 lựa chọn ở câu 1 để chú thích cả 2 thì đều có thể đúng nhưng vì đề bài yêu cầu là present pefect nên chỉ làm 1 trường hợp thôi đó ạ

11-year-old son

not

1.My father began working for LNP Company five months ago.

My father has worked/ has been working for LNP Company for 5 months.

2.They started to take part in the charity activity on March 8th of 2019.

They have taken part in the charity activity since  March 8th of 2019.

3.When did you first make friends with your pen pal ?

How long have you made friends with your pen pal?

+ I have made friends with her/him for 2 months/a long time/ weeks... /since October...

4.Farmers started using candles for lighting long ago.

Farmers have used candles for lighting for (a) long (time). 

5.Did Miss. Linda begin to drive a car when she was at the age of eighteen ?   + Yes, she did.

Has Miss Linda driven a car since eighteen?  +Yes, she has.

 6.When did they start advertising this new product ?        ​+ A week ago.

How long have they advertised this new product?    + A week.

 7.Everyone began discussing about the water pollution here last Monday.

Everyone has discussed the water pollution here since last Monday.

8.He was absent from class three days ago.

He has been absent for 3 days. 

9.Did you first meet them in front of Children’s Theater yesterday morning ?

Have you met them in front of Children’s Theater since yesterday morning?

+No, we didn’t. We met them there three hours ago.

+No, we haven't. We have met them for 3 hours.  

10.Mai and me started to play the golf in July of 2020.

Mai and me have played the golf since July of 2020.