21. Those
_____ have six or more close friends are described as “very happy”.
|
|
B. whose
|
C. which
|
D. when
|
22. She didn’t know _____ she could express her ideas clearly when she was invited to speak at the meeting.
23. —Your e-mail address again? I _____ quite catch it.
—It’s tracy@163.com.
|
A. don’t
|
B. didn’t
|
C. won’t
|
D. wouldn’t
|
24. You know, I _____ for a job for three months, but I haven’t had any luck.
|
A. have been looking
|
B. have looked
|
|
C. had been looking
|
D. had looked
|
25. They regard it as their duty _____ the best service to the customers.
|
A. provided
|
B. providing
|
C. provide
|
D. to provide
|
