Who sits behind you No one ______.A.sits B.do C.is D.doesA和D 选哪个,为什么.

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Who sits behind you No one ______.A.sits B.do C.is D.doesA和D 选哪个,为什么.

Who sits behind you No one ______.A.sits B.do C.is D.doesA和D 选哪个,为什么.
Who sits behind you No one ______.
A.sits B.do C.is D.does
A和D 选哪个,为什么.

Who sits behind you No one ______.A.sits B.do C.is D.doesA和D 选哪个,为什么.
选D,does就代替了sits,就不重复了

B

D does 替代sits,避免重复。

选d