________________
[A]puzzledby[B]hostileto[C]pessimisticabout[D]unpreparedfo
正确答案：D
![________________[A] puzzled by [B] hostile to [C] pessimistic about [D] unprepared f](http://www.mshxw.com/aiimages/29/21006.png "________________[A] puzzled by [B] hostile to [C] pessimistic about [D] unprepared f")
________________
[A]puzzledby[B]hostileto[C]pessimisticabout[D]unpreparedfo
正确答案：D上一篇 [A] which[B] that[C] what[D] when
下一篇 According to the passage, the most ambitious effort to control pollution ______. [
名师互学网 版权所有 (c)2021-2022 ICP备案号：晋ICP备2021003244-6号
