为什么I don't know if is polite to speak loudly at the table中if不用that
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为什么I don't know if is polite to speak loudly at the table中if不用that
为什么I don't know if is polite to speak loudly at the table中if不用that
为什么I don't know if is polite to speak loudly at the table中if不用that
这里的if引导宾语从句表示猜测,is前面应该还有个it吧?
这里if表示是否:我不知道在饭桌上大声说话是否礼貌。
这是定语从句(应该吧),只能用whether或if
英语翻译i don't know if i should i don't know if i should i don't know if i should i don't know if i should i don't know if i should i don't know if i should i don't know if i should i don't know if i should i don't know if i should i don't know
But I don't know if I think too much.为什么要把 if 改成whether?
I don't know if he will come tomorrow.为什么要用if 不能用whether
I don't know _____ it will rain tomorrow.A.if B wether 为什么?I don't know _____ it will rain tomorrow.A.if B weather 为什么?
I don't know.
为什么I don't know if it will rain tomorrow什么从句
i don't know if she has turned off the light.为什么要使用现在完成时
I don’t know ___________ he is well or not.whether/if,为什么?
I don't know if he ____(be) free tomorrow.
what if I don't know anyone 的意思
You don't know even if I vanish from your
what if I don't know anyone?同义句转换
What,I,anyone,don't,if,Know连词成句
What,I,anyone,don't,if,Know,连词成句
I don't know if he ____ ( come )
Hao can i know ,if you don't say
“i don't know you know i don't know
I don't know is whatI don't know if I can still not able to persistDon't know if I couldDo not know