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單項(xiàng)選擇題

This fire extinguisher is to be used only in case of（）.

A.urgency
B.emergency
C.immediacy
D.crisis

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單項(xiàng)選擇題

（）of the rooms has its own computer.

A.Every
B.Each
C.Whole
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單項(xiàng)選擇題

I never（）to bed so late.

A.got used to going
B.used to going
C.got used to go
D.used going

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