作业帮It's said that our school will move to the suburb.I have a doubt____ the news is true.这里为什么不能填if 只能填whether?
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It's said that our school will move to the suburb.I have a doubt____ the news is true.这里为什么不能填if 只能填whether?
It's said that our school will move to the suburb.I have a doubt____ the news is true.
这里为什么不能填if 只能填whether?
It's said that our school will move to the suburb.I have a doubt____ the news is true.这里为什么不能填if 只能填whether?
在引导主语从句、表语从句、同位语从句时一般用whether不用if.如：
⑴Whether it is true remains a question.(主语从句)那是不是真的还是个问题.
⑵The question is whether it is true.(表语从句)问题是是不是真的.
⑶We have a doubt whether it is true.(同位语从句) 我们怀疑那是不是真的.
注:whether引导主语从句放在主句之后时可用if来代替.
if翻译成‘是否’的意思时只能用于宾语从句，而你后面的句子是同位语从句，此时只能用whether引导，译成是否。而且一般情况下，if，whether同时出现，都选whether的。
引导同位语从句时不用if