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單項(xiàng)選擇題

A.whom they are waiting for
B.who they are waiting
C.whom are they waiting for
D.who are they waiting

你可能感興趣的試題

A.how say it
B.how to say it
C.how saying it
D.how to saying it

A.How about you?
B.I plan to go to the United States for further studies.
C.Yes, I will.
D.I'm certainly not going to do that kind of thing.