题目内容：

关于英语虚拟语气的题目.
1.It`s hightime that we_________the pollntion (take)
2.If___________(了解更多)first aid,I could have helped him (know)
3 Jane`s pale face suggested that_______________（她生病了）（ill）
4 It`s strange that___________（她没告诉我们就离开了）(leave)
作业太多了&