标题: 请教一个有关连词的问题【标题要长。。。。。。。。。。。。。。。。。。。。】 [打印本页] 作者: wzl36 时间: 2011-1-28 13:40 标题: 请教一个有关连词的问题【标题要长。。。。。。。。。。。。。。。。。。。。】 请问如果E选项 如果没有then算不算对？连词后面的句子如果用代词不会引发歧义，是不是就能够都用代词了？ 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.
when locusts are placed with others of their species,
when placing them with others of their species, then
locusts, when placed with others of their species,