How did you know about it?你是怎样知道这件事的。
He did tell that.他的确告诉了此事。
Do come and see us.一定来看我们。
-You like popular music, don't you?你喜欢流行音乐,是吧?
He speaks French as fluently as she does.他讲法语和她讲的一样流利。
Never did he pay attention to my words.他从不注意我的话。
Only then did I understand the importance of English.只是那时,我才了解到英语的重要性。
Don't be so careless.不要那么粗心。
Do not hesitate to come for help.只管来求助。