Behind bad luck comes good luck. So something good happened _____ you..

--How will students study in the future?
--- ____home______  computers.

Is your notebook          the lost and found case?

Please call me        872─4458.

My friend, Henry was born          June 10th, 1997.

          , volunteering is both a chance to help others and a good way to develop ourselves.So you'd better make time to volunteer.
A. To my surprise          B. To be honest           C. To start with

The 30th London Olympic Games will begin _______ 27th July 2012.

My sister is good _______ skateboarding. And she swims well, too.

--When did the World Exposition(世博会) in Shanghai begin?
--The Expo began ________ May 1, 2010.

Thanks_____ your letter and the photos.