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單項選擇題

We have just repaired the motorRemember （） to it during your watch.

A.to pay attention
B.paying attention
C.pay attention
D.your paying attention

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單項選擇題

Rounds （）Everything is in good order.

A.operated
B.made
C.run
D.done

單項選擇題

Tell the engineer on duty to keep close watch over the machine （）temperature is sometimes a bit too high.

A.which
B.what
C.that
D.whose

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