How did you get the MP4, from a shop or by phone —-________. I always like shopping online.

Then Wang Ping flashed a switch on a computer screen，and a table and some chairs rose from under the floorby magic

I turn the heating on—Sure, it’s so cold in here. I’m freezing.

Now a lot of new technologies can ________ problems in industry.

Harry Potter stories are____both the teenagers and adults.