He ______ be a history teacher.
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A
used to
B
be used to
C
use to be
D
be use to
推荐题目
Wastes from the factory ______the water pollution in this area. 
#72065
A
resulted from
B
paid off
C
paid back
D
resulted in
________he was a rising film star in China, but now few young people know him.
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A
At a time
B
All the time
C
At one time
D
At times
I ______ a flu when I was on a spring outing with my classmates.
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A
caught up
B
picked up
C
took up
D
brought up
We should __________ primary importance to job training.
#69210
A
concentrate  
B
devote
C
attach
D
emphasize