Whether he is (coming) has (not been decided).The manager with some workers (was working) during the holidays.第一句的第一个空为什么是进行时态? 而第二个空,decide为什么得用被动呢? 第二句为什么谓语仍然用单数而不是复数?
In England tea didn't appear until 1660, but in less 100 years he had become the national drink. 这里用了过去完成时had become, 过去完成时是过去的过去,这里had become是在强调发生在哪个过去动作之前的?谢谢,盼着专家老师解惑。
我们的老师说keep the light on 中的 on 是副词,但是不能说 keep on the
light 。我曾经看到很多资料上说作宾语的名词可以放在“动词+副词”型短语动词的副词前面或者后面,例如put on your coat
= put your coat on. 那为什么可以说 keep the ligh...
The old building is where the clerks live,and the blue one is where the spare parts ______.A. are producing B. being produced C. produced D. are produced老师,您看一下这一题的时态,还有这一题为什么要用被动语态啊?请老师详细讲解这道题!