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问题 have sb do和have sb doing区别

My body was ill,but I was busy with my work.So I had my mother ( ) it all the morning.这里应该用look after还是looking after?请说明理由。

问题 something的指代问题

...津词典中对as的一个意思的解释used in comparisons to refer to the extent or degree of something中的something是指实际存在的物体还是抽象的概念？比如it tasted like grape juice but not as sweet.中我们认为something是指it和grape juice，还是认为something是一...

问题 动词必须连贯吗

Mama smiled at him.Papa said,"It's not enough.” Then he took his pipe out of his mouth. "I give up smoking," he said.Mama ______ the table and touched Papa's hand, but she didn't say anything.A. reached acrossB. sat beside  C. walked toD. moved around一位老师解释说，这道题之所以选A...

问题 more than的用法

According to a 2011 study by researchers at ColumbiaUniversity in the US, those who are sleep-deprived eat almost 300 calories a day more than those who get enough sleep.根据美国哥伦比亚大学2011年研究人员的一项研究，睡眠不足的人每天摄入的热量几乎比睡眠充足的...

问题 such a good/better??

---Did you see the competition about Lisa? ---Yes, it was wonderful. I had never seen such a ____tennis player.A good B better就该题我们有异议，究竟是该good还是better?还是该题设置的不够严谨？盼专家老师解析。

问题 come up with 后面能不能跟动名词

如题 come up with 后面能不能跟动名词，还是说只能跟名词或代词Psychologists at the University of Texas have come up with keeping girls from developing eating disorders 这句话是有语法错误的对吗? 谢谢老师！

问题 这题里为什么不选过去完成时

—Where are Ken and Margaret？—They were hungry，so they ______ to the store.A.go    B.went    C.had gone    D.were gone这题里为什么不选过去完成时？

问题 这道题选一般现在时还是一般将来时

It is likely that our team ______ the game.A. won           B. will winC. wins          D. has won这道题选一般现在时还是一般将来时？

问题 用定语从句和用分词作定语有何区别

I have colleagues working in Scandinavia who are also responsible for the main cities in Europe.表示一个人的职业和工作时为什么要用现在分词，而不用定语从句？上句中的working改成定语从句不好吗？谢谢老师的回答。

问题 介词后面怎么可以接过去分词呢(比如at amazed）

If you live here or visit the city often, you will be at amazed how everything is being changed so quickly.at amazed在上句中是什么意思？介词后的宾语怎么是过去分词。谢谢解答。 

问题 说话部分是宾语时谓语是一定要是及物动词吗

“We should start back,” Gared urged as the woods began to grow dark around them.老师，urge是及物动词吗，像say,shout,call……人说话的部分前置（是宾语部分），主语+say ,shout urge..(谓语是只有及物动词）才能引出说话人说的话，是这样吗？

问题 考查as if从句的谓语动词形式的考题

She is just finishing fixing the refrigerator, and it looks as if______a hard job.A.it must have been  B. it was练习题答案给的是A。请问老师为什么是A而不能是B?

问题 There be 结构中谓语动词的其他形式

There happened to be no people in the hall.seem to be,use to be,happen to be....老师，这些看成是固定搭配吗？There stands a post office next to our school. stands为什么是第三人称？exist,live,stand,come...这些前面是否省略了？

问题 in在下面句子中是副词属性吗

The kitten is so tiny that it could be held in one hand.I can't drink coffee with milk in=I can't drink in coffee with milk.?Nobody was in when we called老师，这几个句子的in是副词的吗？

问题 现在分词完成式的被动形式与过去分词作原因状语的区别

 Warned (warn) several times,they became more careful in doing the job.为什么不是Having been warned？