----.Let’s go to find our manager in his office. ----It’s so late at night .He          be there . Let’s make it another day .
#87875
A
can’t
B
needn’t
C
mustn’t
D
ought not to have been
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The light is still on. They ___ to turn it off when they left the room.
#87772
A
must forget
B
could have forgotten
C
may forget
D
must have forgotten
As it turned out to be a small house party, we __________ so formally.
#87235
A
needn’t dress up
B
shouldn’t dress up
C
were not necessary to dress up
D
needn’t have dressed up
— We expected you yesterday.— I’m sorry, I        you to say that I couldn’t be here until today.
#87786
A
must have called
B
would be calling
C
could have been calling
D
should have called