...子的谓语动词是否持续或瞬间有关?与句子的谓语动词的时态有关?譬如下面这道题(TOEFL):"When will Professor Mark hand back our exam papers ?""They will be returned ( )."A. for a week alsoB. in a week or lessC. within one week or soD. within...
...f only 38 individual mammoths had been found at Clovis sites. In the years since, few additional mammoths have been added to the list;there are still fewer than 20 Clovis sites where the remains of one or more mammoths have been recovered, a minuscule proportion of the millions that necessarily woul...
语法填空题:All these years these
talented writers __________ (contribute) articles to our magazines.这里答案给的是have been
contributing.这是唯一答案吗?为什么要填完成进行时态不能填过去时或者现在完成时?
1) This is the first time (that) I have been to London.是否可以将时态改为:This is the first time (that) I go to London.2)This is the first time for me to to to London.这个说法是错误的,1)句中的从句形式是对的,而1)句的不定式表达是错误的,这里...
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again.C:Yeah.B:I agree.C:I can’t believe it’s been twenty
years since we were all in college together.G:Yeah, you know, that’s my best
memory. That peace demonstration. (Yeah) You know, somehow getting arrested for
something you believe in isn’t … isn’t scary at all.C:No, it i...