用词或词组替代couldn't
We couldn't fly kites yesterday because it (rain) 用词的适当形式填空
选择恰当的动词来替代用大写写出的词或词组,必要时可做改动
选择恰当的动词来替代括号里的词或词组
couldn't but do象这种类型的还有哪些词组
i couldn't disagree of course. 请问这个怎么理解,disagree of 是一个词组,还是
I couldn`t help
couldn't是什么意思
couldn\'t find\'.txt\'
i couldn‘t是什么意思
things couldn't be
couldn't have done?
couldn‘t什么意思?