找到约 3547 条结果

问题 表示转折时yet与but的区别是什么

...ina has put forward the concept of “quality education” for many years, ________ the exam-oriented education hasn't changed.A. yet         B. since     C. but       D. whether答案为 C, 为什么 A 不...

问题 回答情态动词后接完成式的问句要不要重复have

如果问句是“情态动词+have+pp”，如何回答呢？要不要有have？比如：Should they have arrived by now? ________A. I think they should.B. I think they should have.如何选择？概括一下就是：回答情态动词后接完成式的问句要不要重复have？

问题 any后接名词用单数还是复数的问题

Betsy didn't see any _______(child) getting out of the car, just an older woman in a wheelchair.老师，这里填 children 不会错，那么要是用单数形式 child 一定是错的吗？谢谢您。

问题 ones与those的区别

....2 billion, people with high income will be, for the first time, more than _______ struggling to meet basic needs.A. one           B. that          C. ones         D. those为什么不选C，指代people不是没有特指吗，那为什么不选泛指的ones?

问题 主语从句引导词

It is clearly stated on the bulletin that ______ the rubbish away at will will be punished. 这句话中为什么不能填who? 是因为不能表达"任何人"的意思？主语从句引导词为什么不能用who?

问题 every用法疑问

She admires him so much that she is interested in ______.A.every action of hisB.his every actionC.every action of himD.every of his action那个选项是正确的？错的选项该怎么改？

问题 用反身代词填空

He put some fruit on the table and asked me to help ______答案是myself，这里为什么不能填himself呢？我知道要是让我帮助他的话应是help him，但himself语法上有哪里不对吗?

问题 此题为什么要用将来进行时

By the time you arrived, I_______, so you don't disturb me. A: will have slept B: will have been sleeping C: will be sleeping D: will sleep 答案是C，why？ A，B为何不可？

问题 must能否用于将来时？

... 用情态动词填空： --Must I return the book tomorrow? --No, You _______. 句中 Must I return the book tomorrow? 是一般将来时，但用的却是 must，与老师讲的矛盾。请专家指教，谢谢。

问题 attack与land的区别（bomb作主语时）

A bomb _______ in an orphanage and several children were wounded.A. attacked       B. landed答案选B， 但是 A 为什么错了呢？

问题 一道冠词题

Have you see ____ umbrella I put here this morning? Is it ___ black one? It is in the cornor of our office.A. the; a    B. an; aC. the; the D. an; the答案：A解析： 考察冠词， 第一空后由于有定语从句修饰，表示特指，故用the; 泛指“一把” 黑色的伞...

问题 不定冠词和定冠词到底该怎么区分

A child born in the US today has _______ very realistic chance of living beyond 100 and needs to plan accordingly. 为什么这一空答案是a,不可以是定冠词the吗？

问题 date, dating, dated 的区别

Thank you for your letter ______ (date) August 30th.请问：如何填？理由是什么？谢谢！

问题 乘法运算中的主谓一致问题

Six seven ______ forty-two.A. are    B. is选哪个？

问题 动词形式的选择

A: I read a story about the sports star.B: Who ______ it? A. write B.to write  C. wrote  D. is writing 能分析下选什么吗？为什么选？谢谢!