mn giúp mình với ạ. mình cảm ơn rất nhiều ( nếu có thể giải thích sao chọn đ.án đó giúp mình đc ko ạ ) 

1. I haven't seen her...

a.last     b.later      c.lately      d.latest

2. this box is...bigger than that one

a.much      b.very      c.more      d.few

3. she doesn't like cars,...

a.much      b.too      c.eight      d.also

4. he has a....good friend

a.much     b.more     c.very      d.better

5. i can't play the piano as.....as her

a.better       b.well      c.good       d.best

6. gold is... expensive than silver

a.more      b.most     c.better     d.much

7. she came her.... than I

A.earlier       b.more earlier     b.more early       d.early
8. this is the....brige in the world

a.long      b.longer      c.longest      d.most long

9. you.... run in the classroom

a.not must      b.must not      c.don't must        d.aren't must

10. ..........you able to swim

a.do      b.can     c.are     d.will

11. You....do the work

a. have not to     b.don't have to     c.not have to     d.have to not

12. she'd better......home now

a.goes      b.went        c.did go      d.go

12. there are many.... in the graden

a.flowers       b.tree      c.child      d.stone

13. the news.....very sad

a.are      b.were      c.did        d.was

14. ........I was a child, I lived in Chicago

a. that     b.If      c.when      d.where

15. he likes both english......math

a.and     b.or      c.but      d.with

16. they hope.........you will pass the exam

a.that    b.If      c.when    d. but 

17. she went to the store.......some bread

a.bought      b.buy     c.to buy     d.to buying

18. they enjouey......baseball

a.play     b.played     c.playing    d.to play

19. the man.....on the bench in Mr.Brown

a.sit    b.sitting    c.to stiting    d.sat

20. he is a single.....by many people

a.love    b.loving    c.loved    d.to love

21.there is a map.....the wall

a. in    b.on     c.from     d.into

22. the girl sat..... her parents

a. in    b.to    c.between   d.on

23. she has lived in this town.....2001

a. for    b.from     c.since    d.during

24. i will be back.......a week

a.on   b.into    c.in    d.about