Mike, next stop is Zhujiang Road．I will the bus and go to the computer mall.—OK. See you next time.

Excuse me, could you tell me _______?—Sorry, sir. I wasn’t there at that time.

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

Mr. Wu___this math problem____him many times, but he still doesn’t understand it.

Don’t copy others’ work. If you do it by ________, you’ll feel much better.