Question

【题目】—Why are there so many books on the ground?

—Because I’m not tall enough them on the shelf.

A. to put B. to be put C. putting D. put

Answer 1

【答案】A

【解析】句意：——在地面上为什么有如此多的书呀？——因为我不是足够的高来把它们放在书架上。形容词+enough+to do sth.表示做某事足够的……。这里是主动语态，A是主动语态，B是被动语态，根据题意，故选A。