He looks as if he ______ nothing about the news.
A. would know
B. would have known
C. knew
D. should know
查看答案
2（）
A. a funny story
B. a good story
C. an old story
D. a strange story
If you want to know how a word is used, ______ the word up in the dictionary.
A. refer
B. look
C. seek
D. see
I"m afraid your son has been ______ in an accident.
A. fallen
B. involved
C. succeeded
D. dropped
The great amount of rain this autumn had ______ the harvest of cotton.
A. impressed
B. effected
C. dismissed
D. affected
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