_____ is known to us all is that the 2008 Olympic Games will take place in Beijing.
Who did the teacher have ___ an article for the wall newspaper just now?
Use an umbrella to _____ you from the rain.
--- Alice , you feed the bird today , ______? --- But I fed it yesterday .
As soon as he comes back, I’ll tell him when _______ and see him.
Mr. Smith is a painter, _____ I should also like to be.