Nanyang has changed a lot in the past five years. —Yes. You can see lots of new buildings ,flowers and trees on ___side of the street.

Who’s that girl___________a red hat?—I don’t know. You can go and ask her.[ ]

What did the teacher say just now?—Sorry. I didn’t catch it. I about something else.

Soon you _______ a senior high school student(高中生). Isn’t it exciting?

Do you know what in the room at the moment?