This cake is very sweet. You _________ a lot of sugar in it.  
#89247
A
should put
B
could have put
C
might put
D
must have put
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The door          . Better have it repaired .
#88993
A
isn’t shut
B
hasn’t been shut
C
won’t be shut
D
won’t shut
He wasted a lot of time playing football, otherwise he ________the exam.
#90113
A
had passed
B
passed
C
would passed
D
would have passed