---I’ve just heard that the lecture (讲座)to be given by Ma Yun,the Alibaba CEO,has been cancelled(取消).---Oh , no!_____________________________
Can you _________ who has taken it away?
---Have you returned the book to the library ____? ---Yes, I have ____ returned it.
He is very ________today. Look, he is laughing _________.
We would like you ________ and we look forward _________ you.
There is a new bridge ________ the river in front of my house.