The library ______for more than 60 years since it _____ in 1940.
A. has been open; opened
B. has been opened; opened
C. has opened; was open
D. has been open; was open
正确答案为A。但 D 为何不可以呢?有资料说,当 since 引导的状语从句的谓语动词是延续性...
...目:
Her birthday was a week ago, so it _______ (can't / be ) on the 25th.
A. can't be B. can't have been
我不太明白25日是说话之后的日子,还是之前,所以不知道应该用对过去的推测,还是对现在的推测。请专家指教,谢...
He had been in enough briefings over the years. 这种简要介绍他听过多年啦。Have you ordered in enough envelopes this month? 这月你订足信封了吗 ?怎么感觉 in enough sth 像个词组似的,但是查不到?
Economy:The process or system by
which goods and services are produced, sold, and bought in a country or region韦氏高阶词典问题:这条定义当中的by which能否替换成where作为”抽象性地方名词process/system”的关系副词去自行理解。常用的关系副词why/where/...
The two partners disputed over their assets when they were getting disbanded.请问,这里的 进行时被动,用getting和用being有什么区别? 另外,对于"解散" 这个动作,也可以用进行时来表达么?*不知道放在这个分类里对了么,不对的话还请管理...
Strickland gave the polite little laugh with which people acknowledge a facetiousness in which they see nothing funny, but did not speak.上面出现的2处定语从句 with which和in which, 我很难理解。不知道怎么翻译?麻烦老师分析句意,如何逐一翻译呢?
I am sorry you ______ the last bus. It left ten minutes ago.
A. have lost
B. lost
C. missed
D. have missed.
此题我认为应选C,理由是It left ten minutes ago 未提到对现在的影响,应该用过去时。但觉得选D似乎也可,因为我找了一些例句,发现I a...