单项选择题

We ___ so far ten passages.
covering
D、have covered

A、cover
B、covered
C、are
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单项选择题
My mother came out to me and she tried to _____me.
A、stop
B、persuade
C、prevent
D、comfort
单项选择题
He was willing to go and work where ___.needs
A、needed
B、needs
C、needing
D、he
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