首页 > 中学英语试题 > 题目详情
The biggest problem for most plants, which ________just get up and run away when threatened, is that...
题目内容：
The biggest problem for most plants, which ________just get up and run away when threatened, is that animals like to eat them.
A. shall not B. can't
C. needn't D. mustn't
本题链接：