Listen! Someone at the door.——青夏教育精英家教网——

摘要： Listen! Someone at the door.

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Listen! ________ someone at the door.

[　　]

A．Has　　B．There's　　C．There're

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Listen! Someone is knocking _________ the door.

A. at
B. to
C. for
D. /

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Listen, someone is knock ____ the door.

[　　]

A．at

B．to

C．for

D．from

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Listen! Someone ________ (敲门) the door.

[　　]

A．knocks at　　　　　　　B．knock at

C．is knocking at　　　　　　 D．knocked on

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Listen ! Someone ________ the door.

[　　]

C．is knocking at

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