I hope that by posting the letter now, I shall ensure________it before the weeke

游客2024-08-23  10

问题 I hope that by posting the letter now, I shall ensure________it before the weekend.

选项 A、your receive
B、your receiving
C、you to receive
D、your having received

答案 B

解析 我希望现在寄出这封信能确保你在周末前收到。非谓语动词题。ensure后面需要接名词、动名词或宾语从句。A项中,形容词性物主代词后面接了动词,明显错误;B项用了动名词receiving,前面加了它的逻辑主语,为正确答案;C项用了ensure sb. to do sth. 的结构,是错误的;D项用了动名词的完成式,不符合句意。
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