—The books on the chair __________ Mike’s, right?—Yes, they are.
#55353
A
is
B
it’s
C
are
D
they’re
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Hurry up!The play        for ten minutes.
#55177
A
has begun
B
began
C
has been on
D
has been
—Sam likes ________others.—That’s why many people like him
#59094
A
looking for
B
learning from
C
shouting at
D
playing tricks on