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單項(xiàng)選擇題

You should make（）your house or flat is secure.

A.sure
B.certain
C.understanding
D.knowledge

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單項(xiàng)選擇題

He asked me（）English culture.

A.about
B.of
C.for
D.on

單項(xiàng)選擇題

They all（）the job.

A.asked after
B.asked for
C.asked to
D.asked with