——Hi, Mike.Any idea where Mary is?
——She ____ in the classroom.I saw her there just now.
A.shall be | B.should have been | C.must be | D.might have been |
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——Hi, Mike.Any idea where Mary is?
——She ____ in the classroom.I saw her there just now.
A.shall be | B.should have been | C.must be | D.might have been |