—Listen!Someone is knocking at the door.Who can it be?
—It________be Tom.He said he would visit me this evening.
A.can’t |
B.need |
C.must |
D.mustn’t |
—Listen!Someone is knocking at the door.Who can it be?
—It________be Tom.He said he would visit me this evening.
A.can’t |
B.need |
C.must |
D.mustn’t |