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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1.單項選擇題I am afraid you can’t dismantle the equipment in that way ().

A.in the case
B.in any case
C.in no case
D.in case

2.單項選擇題There is too much water in the fuelIt doesn’t () to the specifications.

A.come from
B.come in
C.come out
D.come up

3.單項選擇題We still do not know ().

A.where is the trouble
B.where does the trouble
C.where the trouble lies
D.what is the trouble