單項(xiàng)選擇題

I（）having your approval for the routine maintenance at your earliest convenience.

A.hope to
B.want to
C.look forward to
D.expect to

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I have been instructed that on my voyage（）,I shall call at Maderra to pick up some cargo.

A.home
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I have lost a man overboard. Please help（）search and rescue.

A.on
B.in
C.with
D.during