It’s hard to say what kind of person he is. Sometimes he is very nice; at other times he _______ be very cold.
#87802
A
must
B
will
C
shall
D
can
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We the postcards yesterday, but it didn’t arrive.
#87363
A
should receive
B
ought to receive
C
ought to have received
D
must have received
You trust an online shop just because it has a beautifully-designed website.
#87173
A
shouldn’t
B
couldn’t
C
mustn’t
D
needn’t
—___John come here tonight?—I’m not sure, but he ______ stay at home.
#89534
A
May, might
B
Can, must
C
Must, might
D
Can, migh