Don’t turn off the computer before closing all programs     you could have problems
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A
or
B
and
C
but
D
so
推荐题目
Thank you very much. Without your help we ______ car started.
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A
didn’t get
B
hadn’t got
C
couldn’t get
D
couldn’t have got
- - How dangerous it was!- - Yes, but for the passer - by' s quick action, the girl _____
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A
was drowned
B
could have been drowned
C
had drowned
D
should be drowned