Mr. Lee_________to a student when I entered the classroom this morning.—He is very patient _________he is young.

If you _____ smoke, please go outside.

The CCTV Spring Festival Cala Eveningannually since 1983 and it is still very popular with most Chinese

We ______ the difficulty together, but why didn’t tell me?[ ]

We have got a ticket _____ 300 yuan ______ the sofesleeper.