— What do you think of our math teacher, Mr. Liu?— He is a good teacher, a good friend .We all like him.
There's only one day to go. You _____ finish your schoolwork by tomorrow.
I want to relax myself right now. Would you please change to _____ music?
Lee is new in Nanchang. Maybe he needs a _____for sightseeing.
She always does very well in the English exams. But she can _____ understand English radio programs.
There are lots of restaurants in our town. And most of _____ are clean and cheap.