11. They need ______ students to help them.
A. twenty or so B. or so twenty
C. or twenty so D. twenty so
12. The bus ran into a ______ train.
A. passing B. pass
C. passed D. to pass
13. Don’t tell Lao Lin about it, ______ ?
A. will you B. won’t you
C. can’t you D. can you
14. The fire seems ______ out.
A. to be put B. to have been put
C. putting D. to put
15. You can read the book here ______ you keep quiet.
A. unless B. when
C. as long as D. but
16. The initials UN ______ The United Nations.
A. stand by B. stand for
C. stand at D. stand with
17. He was interested in ______ I told him.
A. whoever B. however
C. whatever D. that
18. Would you like me ______ where the nearest supermarket is ?
A. to show you B. showing you
C. show you D. and show you
19. Ever since he was a boy, he ______ interested in math.
A. is B. has been
C. was D. have been
20. Where there is a will, ______ is a way.
A. here B. there
C. where D. nowhere
