There are two blackboards ____the wall and two doors ____

There are two blackboards ____the wall and two doors _____the wall.

#48700

in, in

on, on

in , on

on , in

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—I joined the League        May, 2008. What about you? —I’ve been a League member        three years.

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in; for

on; in

on; for

in; since

The cat climbs into the sitting-room _______the open window．

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through

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by the end

at the end

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all the time

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at times

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