Without electricity human life __________ quite different today. 
#87677
A
is
B
will be
C
would have been
D
would be
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— I didn’t go to class last night because my car broke down.— You            mine. I wasn’t using it.
#87049
A
should borrow
B
might have borrowed
C
could have borrowed
D
must have borrowed
--I once got lost during my first visit to Beijing. -- Oh, did you? You ____ me as your guide. 
#88052
A
might have asked
B
could ask
C
would have asked
D
would ask
They must have been here the day before yesterday,____? 
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A
mustn’t they
B
didn’t they
C
mustn’t have they
D
had they
We _____ live in a small flat but last year we bought a house.
#88071
A
would
B
had to
C
used to
D
ought to