The child asked his mother ____ go out to play tennis.A whether he could B.if he could 选谁

The child asked his mother ____ go out to play tennis.A whether he could B.if he could 选谁

题目
The child asked his mother ____ go out to play tennis.A whether he could B.if he could 选谁
答案
在这句话中两个都对,没有区别呀
不过,当句中有OR NOT ,或放句首时不能用IF,只能用WHETHER
举一反三
已知函数f(x)=x,g(x)=alnx,a∈R.若曲线y=f(x)与曲线y=g(x)相交,且在交点处有相同的切线,求a的值和该切线方程.
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
奥巴马演讲不用看稿子.为什么中国领导演讲要看?
想找英语初三上学期的首字母填空练习……
英语翻译
最新试题
热门考点

超级试练试题库

© 2017-2019 超级试练试题库,All Rights Reserved.