We _____ last night,but we went to appreciate the flowerbeds and streetlights in Tian’anmen Square instead.
#89037
A
might study
B
could study
C
should have studied
D
must have studied
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If it      the climate, I would stay here much longer.
#86441
A
is not for
B
had not been for
C
were not for
D
would not be for
He ______ the key, so we ______ into the office.
#88113
A
hadn’t left; can’t
B
didn’t leave; couldn’t have got
C
hadn’t left; couldn’t get
D
hasn’t left; couldn’t get