The spraying of pesticides can be carefully planned, but accidents, weather conditions that could not be foreseen, and pilot errors often cause much larger deposits of spray than they had anticipated.
语法 Sentence Correction-12421
标记
正确的用户笔记
iishefen 2014-04-15 07:56:54
could 时态错误
邢小安 2016-07-20 09:07:26
还有一个问题是平行，前面用的是can be，后面用cannot比较好
邢小安 2016-07-20 09:07:27
还有一个问题是平行，前面用的是can be，后面用cannot比较好
zyf0307 2015-11-07 11:20:32
they不知道指代谁，所以排除ace
HowardLX 2014-10-21 21:33:07
They 指代不清！！！
HowardLX 2014-10-21 21:33:06
They 指代不清！！！
goahead 2014-07-25 15:30:41
看完A选项题目给我的暗示是最后的they 指谁？同样的问题一扫发现杀CE 剩下BD相比 相对来说意思相同的情况下 动词要好于其他形容词或名词 所以选B
