单项填空
1. Mr. Wang has been selected ________ chairman of the conference.
A. a B. an
C. the D. /
2. Housework _____ cooking, washing dishes, sweeping and cleaning.
A. involving B. involving in
C. involves D. involves in
3. The emergency ________ that the police should be called at once.
A. insists B. suggests
C. requires D. advises
4. ―Are you very anxious?
―Yes. Ten minutes ________ like an hour when you are waiting for a phone call.
A. seem B. seems
C. do D. does
5. ―What do you think of Peter?
―He is a helpful person. He is always helping people without expecting anything _____.
A. in turn B. in return
C. on his return D. on the turn
6. The refugees (难民)have been fed, clothed and _____ by welfare organizations around the world.
A. stored B. collected
C. housed D. provided
7. ―Why didn't you join them? You are ________.
―I had to receive an unexpected visitor.
A. wanted to B. wanted to have
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