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
“,but”连接完整句子(除非主语一致的省略情况) B them,they指代不清; 而且逻辑主语they placing them...不太对劲,因为两个只带应该是一致的 C locusts,...,they they多余 D 同B E 指代不清 |