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單項(xiàng)選擇題

Having a good command of English is（）an easy thing.

A.by all means
B.by any means
C.by every means
D.by no means

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（）your help, I could not have finished my work so early.

A.with
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The manager of our company asked me if was possible for me to（）the marketing plan within a week.

A.set out
B.work out
C.make out
D.put out

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