---Have you found your book yet? ---No. I’m not sure where I ___it.
#88088
A
leave
B
had left
C
could have left
D
was to leave
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 I was really anxious about you. You___home without a word. 
#89626
A
mustn’t leave
B
shouldn’t have left
C
couldn’t have left
D
needn’t leave
“I’ve told him about it.” “But I’d rather you ______.”
#88162
A
didn’t
B
hadn’t
C
don’t
D
wouldn’t
My aunt _____ here by now, for she took the early bus.
#90176
A
must arrive
B
can arrive
C
may arrive
D
ought to have arrived