Mr. Mike doesn’t understand ________ made his wife so upset this morning.
#85428
A
what was it
B
why it was that
C
how that was
D
what it was that
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It ___________ we had stayed together for a couple of weeks________ I found we had a lot in common.
#85307
A
was until; when
B
was until; that
C
wasn’t until; when
D
wasn’t until; that
Could it be in the classroom_____ we had a talk last night _____you left your keys? 
#85182
A
that; where
B
in which; where
C
where; that
D
where; in which
It is in this laboratory ______ is run by Mr. Wu ______ the experiments are done.
#85126
A
which; that
B
that; which
C
where; that
D
that; where