You________ the work better, but you didn’t put more efforts to it.
#86713
A
must have done
B
can have done
C
should have
D
could have done
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It is very kind of you to do the washing-up, but you    it.
#88218
A
mustn’t have done
B
wouldn’t have done
C
mightn’t have done
D
didn’t have to do
______ it______ for your help,I couldn't have made any progress.
#86915
A
Had;not been      
B
Should;not been
C
Did;not been      
D
Not;be