21. Mrs. White doesn’t believe that her son is able to make such great progress in Mathematics, ?
A. is he B. isn’t he C. doesn’t she D. does she
22. What is worth deserves with great efforts.
A. being done; doing B. doing; being done
C. doing; to be done D. being done; to be done
23. When parents come to visit the school and talk to the teachers, we often play songs by students, and messages are also given in order to keep them of events such as outings and school plays.
A. sang; informed B. sung; informing C. sing; informed D. sung; informed
24. We can travel in an hour to places I believe can often attract a large number of tourists.
A. where B. when C. which D. what
25. Recently I can’t focus on my lessons. Maybe I need to see a doctor.
A. somewhat B. somehow C. anyway D. otherwise
26. We all admire and respect our English teacher because she has a gift for creating an atmosphere we can communicate freely with each other.
A. what B. which C. where D. when
27. teaching is often viewed as a hard and demanding(要求高的)job, some people are fond of it and consider it to be rewarding and worthy.
A. Because B. Until C. Once D. While