21. ―I’m too tired. I want to give up.
― If you don’t ________, you’ll win in the end.
A. lose heart B. calm down C. take care D.cheer up
20. ---What did the Englishman say?
---Oh, he asked where ____ .
A. did you come form B. do you come from
C. you came from D. you did come from
The number of the students in our school ____ rising since 2006.
A. is B. has been C. are D. have been
Helen has had a lot of trouble these days,but she doesn’t know whom to ______ for help.
A.turn to B. look for C. deal with D. talk about
I have been teaching for over twenty years, but never _____ a girl as bright as Lily.
A. I have met B. I had met C. have I met D. had I met
I _____thank you too much for all your help to my son while we were away from home.
A. won’t B. can’t C. can D. will
