The secretary had the messenger ______ the envelope as soon as possible.A.deliveringB.to d
公共英语
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The secretary had the messenger ______ the envelope as soon as possible.
A.delivering
B.to deliver
C.deliver
D.delivered
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正确答案:C
解析:Deliver is the correct form. of the verb after the causative verb had. Choice (A) is the present participle. Choice (B) is the infinitive. Choice (D) is the past participle.
