My sister wasn't in Paris last month ,so you _____her there.
A、mightnothaveseenB
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To get the job started,____ I need is your permission.
Did you attend the meeting yesterday ____ Mary talked a lot ?
Hepaidtheboy$10forwashingtenwindows,mostof____hadn'tbeencleanedforatleastayear.
Who is the man ____ (你刚才在操场和他握手)?
I still remember the days ____ we studied together.