單項(xiàng)選擇題It’s not advisable to cut()the power supply.

A.out
B.off
C.down
D.away


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1.單項(xiàng)選擇題It’s raining now. The dockers()stay inside.

A.want
B.wants
C.are wanting
D.want to

2.單項(xiàng)選擇題I’ve already made arrangements()the tung-oil under S/0 No.70.

A.on
B.to
C.for
D.with

3.單項(xiàng)選擇題Keep clear()the buoy.

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

4.單項(xiàng)選擇題Large vessel leaving.Keep clear()approach channel.

A.off
B.reach
C.from
D.of

5.單項(xiàng)選擇題Let’s submit the case()the cargo surveyor.

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