A. stands B. stood C. stand D. standing 查看更多

 

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There is a dog ______ at the door.

A.stand

B.stands

C.stood

D.standing

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There used to be a house _____ on the top of the mountain.
[     ]
A. standing
B. stands
C. stood
D. stand

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 There used to be a house    on the top of the mountain.

 A. standing    B. stands   C. stood    D. stand

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The fence ____ near the window.
[     ]
A. stand
B. is standing
C. have stood
D. stands

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I noticed him ______ in the middle of the room.

[    ]

  A. stands   B. stood   C. standing   D. to stand

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