高一几道英语题
1、I don't know the reason _____ he didn't turn up.
2、The reason _____ he told me is _____ he was careless.
3、My doubt is _____ he can arrive there on time.
4、His saggestion is _____ we do that on our own.
5、Her mother gives her _____ she wants.
6、She doesn't believe _____ her son failed the exam, _____?
填空,注意语法