1.D

2.D

3.B

4.D

5.C

6.A

7.B

8.A

9.B

10.D

11.B

12.C

13.C

14.A

15.B

16.A

17.C

17.B

18.D

19.B

20.C

18.D

19.B

20.D

21.A

22.C

23.C

24.A

25.D

26.A

27.B

28.A

29.D

30.D

31.B->goes

32.D->is sleeping

33.B->will get

34.A->isn't

35.B->does

a.Tet or Lunar New Year holiday is the most important celebration for Vietnamese people

b.No,it doesn't

c.People usually clean and decorate their homes

d.They buy candy ,jams dried water melon seeds

e.People visit relatives and close friends

26.film

27.made

28.on

29.although

30.rapidly

4.would solve

5.was

VI

1.C->for 

2.C->more difficult than

3.A->comes

4.B->saying

5.B->four-day

VI

1.B

2.D

3.A

4.C

5.B

16.on

17.in

18.in

19.for

20.next

21.palace->palaces

22.eat->eaten

23.third->three

24.interesting->interested

25.an->a