28. My grandparents asked me to go and see them whenever______.

A. I am convenient　 　　　　　　　　　　　　　　　　　　　　　　 B.I will be convenient

C. convenient　　　 　　　　　　　　　　　　　　　　　　　　　　 D. it will be convenient

27. Various plans have been drafted by the local government for possible changes and emergencies to _____ these 100,000 people are out of danger.

A. remove　　　　　　 　　 　　 B. require　　　　　　　　　　　　　　　　　 C. ensure 　　 　　　　　　 D. recommend

26.At the meeting they discussed three different　　　 to the study of English.

A. methods　　　　 　　 B. means　　　　　　　 　 C. approaches　　　 　　 D. ways

25. --- What are you doing?

--- Nothing. I just wonder ____ that makes the little boy so excited.

A. why it does　　 　　　　　　　 B. what he does　　　　 　　 C. how it is　　　　　 D. what it is

24. He left the place, _______never ________back again.

A. determined; to come　　　　　　　　　　　　　　　 B. being determined; to come

C. determined; coming　　　　　　　　　　　　　　　 D. determining; coming

23.____there are lots of exciting images and attractive language, I will remember _____ the things I buy.

A. Even if; thinking about　　　　　　 　　 B. Even if; to think about

C. as if; thinking of　　　　　　　　　　 D. as though; to think of

22.I did some research ____ PSAs, and have very important information to _____ with you.

A. in ; spare　 　　　 B. on; share　　 　　 C. on ; spare　　　　　　 D. in ; spend