一、选择题

1、________ me an e-mail before you come to Hangzhou. I’ll meet you at the airport.

A. Sending    B. To send     C. Sends     D. Send

2、_____ talk in the reading room.

A. Don’t   B. Not     C. No

3、______ to smile at your life when you are in trouble, and you will soon be happy again.

A. Try     B. To try    C．Trying    D．Tried