(      )11. We should give the girl another chance ________ she has made some mistakes.

　　A. though      B. when      C. because     D. unless

　　(    )12. Lucy, tell me the result of the discussion ________ you had with your mum yesterday.                                  .

　　A. what       B. which     C. when       D. who

　　(      )13. --Excuse me! Where is Miss Wang's office?

　　--Sorry, I don't know. I ________ here for only a few days.

　　A. work        B. worked   C.have worked      D. will work

　　(      )14. ________ fine day it is! Let's go to the park!

　　A. What .        B. What a       C. How          D. How a

　　(      )15. I didn't see Alice at the party last night. Do you know ________?

　　A. why didn't she come             B. what happened

　　C. when would she arrive           D. where she has been

　　(      )16. --Were you often late for school last term, Mike?

　　--No, ________ I got to school early every day.

　　A. always      B. usually     C. sometimes   D. never

　　(      )17. --Hi, John. What are you going to do this Sunday?

　　--________. Do you have any ideas?

　　A. Nothing serious      B. Nothing much  C. No problem      D. Thank you

　　(      )18. --A new baby came to the earth ________ a sunny winter morning. --How nice!

　　A. in          B. on        C. of         D. at

　　(      )19. --You will fail the exam ________ you don't work hard.

　　--OK! I'll try my best.

　　A. and         B. though     C. but        D. if

　　(      )20. --I am a little tired. Let's go to Zhengzhou Zoo by taxi.

　　--We ________ take a taxi. It's not far from here.

　　A. can't       B. mustn't    C. couldn't     D. needn't