There's someone outside .Who ---it be A:must B:can C:shall D
There's someone outside .Who ---it be A:must B:can C:shall D
Someone is singing now.Who ()it be?A.must B.should C.can D.w
There's someone outside.Who ___it be?
是there must be someone can hear us还是there must someone who c
Who ------it be?It must be Mr.Wang A may B must C might D ca
情态动词的.See who’s there!______ I t be Mary?A.May B.Must C.Can
there is someone in the room,who can it be?请问这句子的someone能换成s
I guess there must be someone _ outside the house.Let's stop
Oh,there's someone in the room.( )must be my brother A.He B.
there is a garden () the house填介词A.on B.be C.outside D.of
HELP!A might have been B might be C must be D can be
求完整解析 I who your father can decide it.A.is B.am C.are D.be