23. In our study, the ________ we work, __________ mistakes we’ll make.

A. Neither       B. Either      C. Both        D. None

22. _________  of them knows French, so I have to ask a fourth person for help.

　A. What, making    B. What a, to make    C. What, to make    D. What a, making

21. ______ great fun we had _______ snowmen!

      A. She was in the street               B. She was in the bank         C. She was at home

20. Where was Alice Green the whole morning?

      A. His (Her) friend              B. His (Her) mother             C. His (Her) teacher

19. Who called the speaker’s name?

      A. It was 11:30                    B. It was 11:45                    C. It was 12:30