Đáp án:
I.
1.B
2.A
3.C
4.B
5.C
II.
1.B
2.D
3.D
4.B
4.D
5.A
6.D
7.B
8.B
9.A
10.C
VI.
1.It took him 2 hours to do his homework.
2.The boy suggested going out for lunch.
3.A new school will be built next month.
4.It is not easy to find an apartment in a big city.
5.It rained heavily,so they were late for school.
VII.
1.Lan helps her mother with housework every day.
2.It is necessary for everybody to protect the enviroment.
3.Hung would go to school on time if he had an alarm clock.
4.They haven't seen each other since they left school.
Hok tốt !
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