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!
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?
My brother has been in the United States of America for the past few years.1.既然是过去几年在美国,表示现在并不在了,那为什么用现在完成时呢?而不是过去完成时呢?2.few不是代表否定意义的"几乎没有"吗? 难道这里不应该用a few吗?
When there is an allergic reaction or when insects like mosquito bite, the itch receptors of that region send itch signals to the brain.句中应该用bites吗? 即when insects like mosquito bites ?
The letter passed from one to another until everyone had read it. 这封信从一个人转手到另一个人直到每个人都看过。until 引导的从句用的过去完成时,所以应该是发生在主句(过去式)之前的,可从语境上感觉怎么觉得 until 是在主句完成...
"I never played son any that I remember of," said the Kid. "If I had any parents to mention they went over the divide about the time I gave my first bleat. What is the plan of your round-up?"从我记事以来,我从没当过任何人的儿子。1)为什么remember是一般现...
①While
this _____, the cavalry had come up.A.had
happened B.was happening C.happened D.had been happening这一题为什么选B?②Joe
_____ the piano in a few minutes.A.shall
be played B.will have been
playing C.will be playing D.will have playedi...