-Oh, Mom, just a few minutes.-Hurry up, Harry, or by the time you pack your belongings, the flight !A．has leftB．will have leftC．had leftD．will be leaving 题目和参考答案——青夏教育精英家教网—

题目内容

—Oh, Mom, just a few minutes.
—Hurry up, Harry, or by the time you pack your belongings, the flight _________!

A．has left

B．will have left

C．had left

D．will be leaving

试题分析: 考察将来完成时的用法。句意：---妈妈，等会儿。---快点，否则等你收拾好了行李，飞机就已经飞走了。将来收拾好行李时，飞机已经飞走了。将来的某个时间已经发生，用将来完成时。所以选B。

练习册系列答案

－When shall we set off?
－We ____ start off at five o’clock if it ___ raining by then.

A．will; has stopped	B．are about to; stops
C．are going to; will stop	D．are to; will stop

With their market share shrinking, analysts ______ that their profits have fallen by around 15%.

Helen said that she would come to see me the next day, but she_____.

The old couple who _______ in the deserted house for ten years have been settled in a nursing home now.

Jane, ________yourself. Have you forgotten the rules I told you？

During the last three decades, the number of people participating in physical fitness programs___ sharply.

---We've spent too much money recently.
---Well，it isn't surprising. Our friends and relatives ______ around all the time.

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