These family doctors, _____ working individually or in teams, offer a
wide range of services to residents in need.请问如何分析句子空白处填whether还是either，或者两个都可以?谢谢！
It's uncertain whether the experiment is worth doing 为什么不能用if？既然老师们之前说过在形式主语的主语从句中if/whether都可以，那为什么这里很多选择题答案里面既有if也有whether却只能选whether? be
uncertain 后面用whether 的情况网上很多说...
... we, who neither
are, nor ever will be great men, and who do not much care whetherwe are great
men or no, at least let us strive to be honest men, and to have common sense.曹老师好，弟子请教曹老师文中： Happy
they 是什么用法？谢谢老师。
...e else. They notice more. My sister is only
seven, but she always tells me whether my pictures are good or not. She came
into my room yesterday. 'What are you doing?' she asked. 'I'm hanging this picture on the wall,' I
answered. 'It's a new one. Do you like it?' She looked at it c...
Drama in fiction occurs in any clash of will, desires, or powers--whether it be a conflict of character against character, or character against society.为何能判断从句中是虚拟语气？
...h space for everyone to sleep in their own bedrooms, children often share, whether because an adult has decided to free up additional rooms for guests, or siblings have said that they would prefer to be together.whether...or本是从属连词，却连接了从属连词because引导的原因状语，...
老师说下面句子中的for the simple reason that不能换成for the simple reason why：
She didn’t answer for the simple reason that she couldn’t think of anything to say.
但记得在一本语法书上看到过：在reason 后可以用why引导定语从句，也可用that...
...”如何时，check后是要接that引导的宾语从句，还是接if, whether引导的宾语从句？如下面这个句子：We had better check that all the doors are locked. 我们最好检查一下所有的门是否都锁上了。这个句子中的 that 可改为 if 或 whether 吗？