Mr. Smith left for London _____ Monday morning. [ ]

We’ll be back for our school’s anniversary ceremony. —I see. That means you’ll have a get-together with your classmates in years.

I want to write __________ article about the great inventors in the world. Can you help me?–Sorry, I don’t know much about __________ topic.

You can call me ______ 13952588888 or e-mail me ______ jdw@126.com. [ ]

The struggle against the bird flu and the suffering _________ brought about have become a big concern across the world.