Hurry up!They for us at the crossing.A.must waitB.must have waitedC.must be wait
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Hurry up!They ________ for us at the crossing.
A.must wait
B.must have waited
C.must be waiting
D.may wait
试题答案
C

Hurry up!They ________ for us at the crossing.
A.must wait
B.must have waited
C.must be waiting
D.may wait
C