Please ____ me ____ Tang@.189.com.

What are you doing, Jack?—I’m looking for some information about the event ________ attracts all the people’s attention.

Let me teach you how to download music from the Internet. — Teach me? ______! I know how to do it earlier!.

_____did it _____the conductor to check the tickets this morning?-Half an hour.[ ]

There will be _____ people and ____ pollution in the future .