A: I hear you _____(get) lost on your way to the hotel.B: I don’t know how I did it. I have been here a million times.为什么这里要填 got 而不填写 have got？题目来自于《英语语法新思维（中）》P162
Tom and I like music中的tom and i作为两个代词的并列，可以做主语。而【putting countries with special needs on a self sustaining development path】 and 【preventing people from slipping back into poverty】 require more than relying on low-skilled labours and exports of unprocess...
We have made many firiends since we have lived here.since从句使用了have lived, 是表示目前还住在这里，还是已经不住在这里？如果变成We have made many friends since we lived here是不是表示“离开=不住在这里”了？
It's no use your pretending that you didn't know the rules.It's=It is.为什么这里使用了didn't know一般过去时时态？为什么不是don't know与前面的It is呼应呢？是否可以改成...It's no use your pretending that you haven't known the rules.请教...
1）They whistled a low meditative whistle of satisfaction.2）The King lived a long life of exile.以上关于2个of短语的句子，疑问是：第一句是否等同于They whistled a low meditative satisfied whistle ?第二句是否等同于The King lived a long exiled life ? 其实我的疑问...
老师您好。我不明白there be句型当中什么时候接doing 或done ，这里“The doctor told him that there was only two years remaining. ”为何不是remained？为什么又有There are two day left for the final examination.
The secret lies in the fact that
although the water between the cells in the frog's body becomes frozen, the
water inside the cells does not freeze. 请问老师lie in是短语动词整体作谓语，还是理解为lie“在于”作谓语，in...介词短语作抽象地点状语。谢谢老师！
Back in 2006, Furong Jiejie ("Sister Lotus"), a 20-something woman in Beijing, posted her narcissistic pictures of plump figure, plain face and inelegant dance moves.Back in 2006表达是否有问题？back本身词性为副词，in 2006也为副词，这里是副词修饰副词吗？
In itself，it‘s not a difficult problem to solve，这里in itself明显是状语，但在Science communication is a science in and of itself句子中in and of itself还是状语还是定语？这里of是什么意思？