| Unit 1 时态、语态(二)
4. My train arrives in New York at eight o'clock tonight. The plane I would like to take from there _____ by then.
A. would leave
B. will have left
C. has left
D. had left
5. The conference _____ a full week by the time it ends.
A. must have lasted
B. will have lasted
C. would last
D. has lasted
6. It's reported that by the end of this month the output of cement in the factory ______ by about 10%.
A. will have risen
B. has risen
C. will be rising
D. has been rising
答案：
4. B
译文：我乘坐的火车今晚8 点到达纽约。那时我要在此搭乘的飞机将已起飞了。
本句是将来完成时的用法。句中“would like to … ”并不表示过去将来，而是表示一种意愿、愿望。到将来某时(by then)之前已完成的动作(leave) ，所以用将来完成时。
5. B
译文：会议从开始到结束，将持续整整一个星期。
本句是将来完成时的用法。到将来某时(会议结束)之前业已完成的动作(last) ，所以用将来完成时。
6. A
译文：据报道，到本月底该厂的水泥产量将增长约10 ％。
本句是将来完成时的用法。
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