留学知识库
请教:再非谓语动词中being在句中的作用是什么?在什么情况下使用?
感官动词如:see.,watch,hear在什么情况下用省略to 的不定式或动名词?
It is necessary……引导的句型后面什么时候用虚拟语气,什么时候用不定式?
不定式问题: It is difficult____ such a complicated question in English.
非谓语动词问题: I____ at our teacher ‘s remarks .
请帮忙分析这句: One of the oldest types of aesthetic theory is that of formism , ____.