Do you think it's a good idea to make friends with your students? — ____, I do. I think it's a great idea.
It's said that __________ is going to give us a lecture.
----Would you please lend me the dictionary? ---- ____.
Who is it up ____ decide whether to go or not?
Wang Mei is one of many Chinese teenagers _____ “on the go”
The two boys fought and fought until one ______.