—I wonder ________?
—I’m not sure. Let’s ask Miss Li for help.
which subject should we choose
what we can do with the rest materials
that Bob went to the library just now
_I’ve had enough bread. Would you like _____? _ No, thanks. I’m getting _______. I should eat ______ food.
_ We’ve waited ______ the bus stop for half an hour. _ No hurry. The bus will arrive ______ three o’clock..
A lot of trees and flowers are on ______ of the river and the number of them is growing ______.
Old people must __________.
_Who is _____ English teacher, Lu Yu? _ Mr Tian teaches _______ English.