No matter how frequently ______, the works of Beethoven always attract large audiences.A.performing B.performed C.to be performed D.being performed请老师详细讲解这道题,谢谢老师!
http://ask.yygrammar.com/q-22797.html Based on recent researches, distance learning slowly proves as valuable as the traditional campus-based form.该句中 based on 应该悬垂了吧? 因为distance learning 不是 based on recent researches。
I haven't met him for ages, but his mother ________ him sometimes.A. had still seen B. still sees C. has still seen D. still saw老师,这道题我选的是C可答案是B。请问这是问什么?
原句:when I had seen them before online, I had no concept of these details.(当我以前在网上看到他们,我不知道这些细节。)该句是否可改成:when I had seen them online before, I had no concept of these details.将before 放到online后面?
What time do you start school?Which lesson shall I start with?(1)为什么start接school不需要加介词,而lesson就需要加介词?He started on cleaning the room.He started in business.we'll start in on discussing chemical equilibrium(2) 而加介词时,一会用on、一会用in、一会又...
1、Some of these causes are completely reasonable results of social needs. Others are reasonable consequences of particular advances in science being to some extent self-accelerating问题:不是很懂什么时候要用,什么时候可以用being+名词2、for workers it can mean an end...