单项选择题

He’s working hard for fear that he ______.

A. should fall behind

B. fell behind
C. may fall behind

D. would fallen behind
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单项选择题
The population of China ______ larger than that of America.
A. have
B. has
C. are
D. is
单项选择题
— We ______ that you would fix the TV set this week. — I’m sorry. I ______ to, but I’ve been too busy.
A. had expected; had intended
B. are expecting; had intended
C. expect; intend

D. expected; intend
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