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【单选题】

-I can't walk any longer, Mum.
-Why? _____, dear?
[ ]

A.
What has happened to you
B.
What did you happen
C.
What have you happened
D.
What is happened to you
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参考解析:
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举一反三

【单选题】Since the beginning of this year no issue _____ yet.[ ]

A.
is published
B.
has been published
C.
will be published
D.
was published

【单选题】We spend two hours_____ _____English every day. [ ]

A.
practise, saying
B.
to practise, talking
C.
practising, speaking
D.
practising, speak

【单选题】After finishing your homework , you should look it .[ ]

A.
doing;at
B.
to do;for
C.
doing;through
D.
to do;after