Which questions do you not know theanswers to?
Read the passage and fillin the blanks with relative pronouns.
看书时遇到了部分否定和全部否定放句首的情况。书上说部分否定即总括词加not构成部分否定，全部否定即表否定意义的词加肯定式谓语构成全部否定。但是这些词放句首的时候，我都没看到部分倒装。举两个例子：
The boy wants to go to the park.
Which do you like better, apples or pears?
If this is so, it would bring forward the tassel-eared cats estimated extinction date by roughly 5,000 years.
Fifty years ago parents still asked boys if they wanted to grow up to be president, and asked it not jokingly but serious
，我在赵俊英的《现代英语语法》中看到这么一个句子：
Just stand behind his camera with his little cap on.
牛津词典对opposite解释，作形容词时候只能用于名词前。但有说可以用作be opposite to请问如何看待？
请问英语有哪些主要的状语从句啊？
Thousands of people are suffering from illnesses after the disaster.
下面的句子在 a kind of 后面接单数名词可以理解，因为它后面的名词不可数：
It makes it so much easier to split the bill when we eat out
I was at my parents’ house ringing the doorbell，praying that dad would answer the door. I was afraid if mom answered that l would give up and tel...
下面句子中的 water 本来是名词，在这里用作动词：