18. The officer made his men_________his order at once.

A.carry out                       B.work out

C.make out                       D.act out?

A


解析:

此處考查詞組。“carry out”意為“執(zhí)行、實現(xiàn)”；work out意為“算出”；”make out“意為”看出、了解”；“act out”意為“用手勢及動作”表示。?

答案：A

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