I am not sure _____ he will come here o
I am not sure _____ he will come here o
I am not sure _____ he will come here or not.
答案给的是whether和if都可以,请问为什么if也可以呢?
I am not sure _____ he will come here or not.
答案给的是whether和if都可以,请问为什么if也可以呢?
英语人气：279 ℃时间：2020-01-27 02:41:17
优质解答
这题是错的,疑问句从句有or不能用if的
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