he had set, he would have got up

she had brought, she would have played

he had not forgot / he would not have been

he had not missed/  he would have arrived

19 A

20 C

nguyen dung in front of là một cụm, behind cũng là một từ riêng thôi nha bạn

in front of >< behind 

1, any deserts in our country.

2. has lots of beautiful lakes.

3. on the left of the bookstore.

4. more expensive than a motorbike.

5. behind Quang.

go 

keep/ is attending

brushes

get/ do

will join

moves

goes/ is going

get

is preparing

is cooking

1. A 

2, B

3, A 

4, B

1, persuasively

2. permission

3. cheaply

4. unbelievable

5. persuasion

6, anxiety

7. space

8, botanical

6. A 

7. C

8. D

9. C

10. D

1. remembers

2, is snowing

3, have you known

4. are they talking

5. have you taken

drawer

importance

conditional

invention

beautiful

difference

visitors

creative

widened

length

1. B

2. A

3. C

4. B

5. haven't read ( nếu có đáp án này thì chọn nhé )