21. —Are you going to take part in the English speech contest?
—_____? It is such a good chance to improve my spoken English.
A. So what B. Why not C. Why me D. How come
22. Jack is very stubborn and most of the time it is impossible to persuade him _____ his mind.
A. change B. changing C. to change D. having changed
23. Not knowing _____ Bill’s telephone number was, Betty had some difficulty
getting in touch with him.
A. which B. where C. that D. what
24. The famous star, _____ tries to make a comeback, has attracted a lot of attention.
A. that B. as C. which D. who
25. According to our company rule, employees _____ use the office phone for private
calls.
A. daren’t B. mayn’t C. needn’t D. mustn’t
26. If you find any technical problems during your use, we suggest _____ the producer directly.
A. to contact B. to have contacted C. contacting D. contact
27. This book is surely good, but I won’t take it because it doesn’t _____ children.
A. appeal to B. react to C. occur to D. contribute to
28. If you seldom take exercise, I think you should consider _____ a change for good health.
A. making B. being made C. to make D. to be made
