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She doesn’t know ______ she should go with him.A、if or notB、whether or notC、if
She doesn’t know ______ she should go with him.A、if or notB、whether or notC、if
游客
2023-10-08
41
管理
问题
She doesn’t know ______ she should go with him.
选项
A、if or not
B、whether or not
C、if not
D、whether not
答案
B
解析
whether和if都可以引导名词性从句,含有“是否”的含义,但区别有三:其一,whether可以放在句首引导主语从句,让不能;其二,whether可以与or not连用,让不能;其三,whether可以放在介词后引导宾语从句,if不能。
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