`I.`

`1.` C

`2.` A

`3.` A

`4.` D

`5.` D

`II.`

`1.` D

`2.` C

`3.` C

`4.` D

`5.` B

`6.` C

`7.` C

`8.` B

`9.` C

`10.` A

`11.` B

`12.` D (Ta dùng thì HTĐ khi muốn nói về một lịch trình, thời gian biểu)

`13.` B

`14.` C

`15.` A

`16.` C

`17.` C

`18.` B

`19.` B

`20.` B

`III.`

`1.` D does she go `->` she went

`2.` B saying `->` to say

`3.` A will have `->` will be having

`4.` D yesterday `->` the day before/the previous day

`5.` D impolluted `->` unpolluted

`IV.`

`1.` Coffee is more expensive than tea.

`2.` I enjoy listening to music every day.

`3.` Mai is the most intelligent person in my group.

`4.` It is five years since I last returned my village.

`5.` If she didn't go out in the rain, she wouldn't get wet.

@ `Ly`