—Is this red bag yours?—No, it isn’t.          is that black one.

We must try ______ best to make our city more beautiful.

—Congratulations! Among the best pictures in the competition, I found _________. When did you draw it?—During the trip to the Yellow Mountain _________ May.

Reading more helps ________ learn better.

I'll teach you with my guitar, and you can borrow ­­­­________ for practice.