The workers demanded that their employer_____ their working conditions. 
#86737
A
had improved
B
would improve
C
improve
D
will improve
推荐题目
Eliza remembers everything exactly as if it ______ yesterday.
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A
was happening
B
happens
C
has happened
D
happened
—Are you content with her lecture?  —Nowhere near that. It ____. 
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A
may have been good
B
couldn’t have been worse
C
can’t be better
D
must be better