二. 单选题
21. As _________ teacher, you must believe that you can make ______ difference to the lives of your students.
A. a; no B. a; much C. 不填; 不填 D. 不填; a
22. Although the teacher explained the maths problem again and again, it remained ________ to me.
A. amusing B. interesting C. disappointing D. confusing
23. Wait a moment, please. When I _________ writing the letter, I will go shopping with
you.
A. will have finished B. have finished
C. will finish D. finished
24. Mum was against my suggestion of spending the vacation in the mountains while Dad was ________ it.
A. in favour of B. in memory of C. in honour of D. in search of
25. The expression on her face suggests that she knows our secret. Someone ___________ her.
