According to entomologists, single locusts are quiet creatures, but when locusts are placed with others of their species, they become excited, change color, vibrate, and even hum.
A. when locusts are placed with others of their species, B. when placing them with others of their species, then C. locusts, when placed with others of their species, D. placing them with others of their species, E. placed with others of their species, then 答案A: 我想问E中的指代为什么有问题。。。。为什么不能都指代 single locusts 。。。。作者: liverpool123 时间: 2010-2-27 18:17
E 。but 是并列连词，placed没有并列对象，