问题 英语可以说please can you do sth吗

...know.Please help me with the heavy box.但是，如果是一个疑问句也可以用 please 开头吗？比如：Please can you do it for me?Please can you tell me the news?

问题 the last 20 years可以单独作状语吗（前面没有介词）

... our lives. 问题：the last twenty years前面为什么没有介词？它可以单独作状语吗？

问题 不定冠词"a"可以修饰不可数名词和名词复数吗？

A culture's youth is blissfully ignorant of a culture's realities.请问“youth”为不可数名词，"realities"为名词复数，它们前面怎么可以用不定冠词"a"修饰？

问题 如何理解: 关系代词that在限制性关系分句中作补语时可以省略

...制性关系分句，第二，当关系代词that在分句中作补语时可以省略。例如：He's changed. He's not the man he was.It's a puzzle to me what has made him the man he is.老师：我没看懂上面的意思。老师能讲解一下吗？“限制性关系分句，当关系代词that...

问题 make believe可以表示“假想”吗

‍I tried to make believe she was happy, but knew deep down it wasn’t true. 我假想他是快乐的，但我内心知道并非如此。 根据翻译来看，这里把 make believe 翻译成‍了“假想”‍，是这样吗？谢谢老师！‍

问题 前面的it可以指代后面的内容吗

The program modeled it，after the American show “National Spelling Bee”.请问后面的句子是修饰前面的 it 吗？这个 it 是指代什么？它可指代后面的内容吗

问题 句末不定式后的介词可以省略吗

Play the recording for students to listen.这里的 listen 竟然没有介词 to，句子对吗？请专家老师解惑。

问题 achievement在一般疑问句中可以充当什么样的成分

问题 同一名词在同一句子中可以重复吗

有这样一个句子：She was angry because my grade was higher than her grade.这个句子对吗？是不是一定要改成下面这样的句子？She was angry because my grade was higher than hers.

问题 BUT可以表并列关系吗

But unlike their absolutist counterparts inthe Gulf and Asia, most royal families have survived because they allow votersto avoid the difficult search for a non-controversial but respected public figure.这里 non-controversial, respected 都是褒义，为什么用but?

问题 what在名词性从句中可以作宾补吗

Those activities become what he calls "electronic heroin"请问，在这句话中，what是作call的宾语还是宾补呢？what有作宾补情况吗？

问题 because可以引导主语从句吗

because的意思是“因为”，它是用于引导原因状语从句的，但是下面这句的 because 好像是引导主语从句：Just because he’s rich doesn’t mean he’s better than us. 仅仅因为他很富有并不意味着他比我们更优秀。请老师分析和归纳一下这样...

问题 It was后面接复数名词可以吗

There came a big sound from the bedroom. I went in and found it was the children.请问上面句子中的 it was the children 用得对吗？

问题 on time可以用作表语吗

...们就能按时完成这项工作。请问 on time 除用作状语外，也可以用作表语吗？

问题 with 不知是否可以作介词表示"随着"的疑问

下面两句话中分别含有"with",不知是否可以作介词"随着"？According to Court statistics, in the first month since the regulations went into effect, there was a 30% jump in the number of cases accepted,(1.13 million), with most of them accepted immediately. The Ji...