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...
We searched the whole area but all to no avail. Robbie ________. A. disappeared B. had disappeared C. was disappearing D. has disappeared本题的 C 和 D 比较好排除。请问是选 A 还是 B?是用一般过去时还是过去完成时?谢谢!
The little child sounded ______. It’s ______ to think how easily children can be hurt.A. frightened; frightened B. frightening; frightenedC. frightened; frightening D. frightening; frightening答案为C。这里面前一句 frightened 怎么才能表...
It was reneging on a longstanding commitment to abide by the strict
regulations.(它违背了遵守严格规定的长期承诺。)请问这个句子中的不定式为什么就处理成定语呢?感觉处理成状语意思上也通得过:它为了遵守严格的规定而违背了长期承诺...
I deserve a better explanation than "I can't do this".请问这里than "I can't do this"的完整形式是怎样的?我觉得是I deserve a better explanation than (I deserve) "I can't do this".但是如果这样补全的话,那从句就完整了,因...
...《Georgia Vote Tuesday Seen as Crucial for Biden Presidency》That raises the prospect of the results being contested well beyond election day Tuesday.这增加了选举结果可能在周二选举日之后较长时间内存在争议的可能性。请教老师:主要是being contested 用法,含...
...吗?比如这个句子"Anthropologists have used these obvious differences to distinguish races, in an effort to catalog human variation. "如果写成"Anthropologists have used these obvious differences to distinguish between races, in an effort to catalog human variation. "请问这样有没有区...