I'm amazed at my exam results - I hadn't expected to do so well.请问此处为什么要用过去完成时？表示什么意义呢？ 属于过去完成时的哪种用法呢？
She bet me ￡20 that I wouldn't do it. 她和我打20英镑的赌，说我不会那么做。bet+宾语+宾语+that...请教老师这里that是属于什么用法？
But don't fear for the penguin in Alaska, either: "It was doing fine, living on herring," Dr. Boersma said.这句话的either加冒号什么用法，是副词还是连词？修饰哪个词？
人教英语七年下43页有一个对话里面的句子是：What is your family doing ?回答是：We usually stay in when it snows 问句里的family 想表达的意思是家人，为什么没用are ？
...二中，mixed ability 和 low ability是属于省略了连字符的合成形容词吗？另外，可以有mixed abilities 这种表达吗？中间是否省略了连字符？2-像甲 of great ability, remarkable ability, outstanding, ..., ability这样的结构中，ability都是不可数名词，...
We often use language for no other reason than simply to express our willingness to be sociable. 老师好！这里的than为什么加to do?
现在分词作状语，主句前可以加then吗？Using high technology, then we can do it much better.句中then的意思是那么。
老师您好，这句话 Some awards are not for rewarding people who have done something good. 中的be for doing sth.是系表结构吗，for dong sth.在句中做什么成分啊，谢谢解答！
...bsp; ① geologic，biological：像主干中出现的学科类名词在变形容词的时候，有没有什 么特点/规律呢？我问别的老师说的是变y加ic，感觉不准啊，那biological怎么解释呢？ ② timescale：这个词放在这...
...5小题；每小题2.5分，满分12.5分）阅读下面短文，从短文后的选项中选出可以填入空白处的最佳选项。选项中有两项为多余选项。Overtourism Is For Real: How Can You Help?Travel promotes understanding, expands our minds, makes us better people, and boosts loc...
They would do well to read “Shooting an Elephant”.请问老师，这个句子中well是做副词吗？不定式在这个句子中用作什么成分？
What can you do so butterflies will come to your garden?请问老师：这个句子是不是不正确啊？这里从属连词so可以这样用在疑问句里面吗？好奇怪！
What can these animals do differently from other mammals?A. Fly B. Run C. Sleep请问老师：这个句子正确吗？看不懂differently from other mammals做什么成分？
do it the old fashion way老师这句话还能省略in呢？是固定用法吗？thinking that…，you will 老师想表达“假设你怎么样，你就会怎么样”动名词放在句首这样用对吗？
39题选D，可是，同样是first to do 为什么下面的这句话不用to have arrived at