It's uncertain whether the experiment is worth doing 为什么不能用if?既然老师们之前说过在形式主语的主语从句中if/whether都可以,那为什么这里很多选择题答案里面既有if也有whether却只能选whether? be
uncertain 后面用whether 的情况网上很多说...
_______ that I should have missed the wonderful football match last night!
A. How disappointed it is B. How disappointed is it
C. How disappointing is it D. How disappointing it is
答案为 D,请问 disappointing, disappointed的 区别是什么?另外,I should hav...
...must be going
now. We ought to be starting work.I have to be dressing for the party. 以上三句 我的疑问2:表示即将直接 be going/starting/dressing不就行了吗?我的疑问3:像这样助动词和进行时连用没有加未来时间状语的是否有表示事先计划的意思呢...
...m from doing that. 什么也阻止不了他做那件事。 He also stopped them from doing foolish things. 他还阻止他们做傻事。 The rain kept us from going out. 下雨使我们没法出去。 His poor eyesight prohibited him from becoming a pilot. 他因视力不好而不能当飞行...
They are still trying to sort out why the accident ______.
A. happened B. took place
答案是 A。选 B 不行吗?老师说 happen 表示偶然发生,而 take place 表示“举行”。但我查词典 take place 也有发生的意思啊,而且词典就是用 happen...
...k / has taken it away?3. My cake is gone. Tom ate it / Tom has eaten it.4. The window is broken. Who broke / has broken it?就这些句子的时态选择,学生我很是纠结,总是混沌,盼望专家可以为学生深度剖析一下,帮我彻底解开这种混沌的状态。谢谢。
1. —You can't smoke here.—Sorry, I _____ the sign.A.don't see B.didn't see C.haven't seen D.won't see问题:B与C到底什么区别?2. I can't find my wallet anywhere. I am sure I ______ it.A.lost &n...