Her mother asked her to keep the windows ____ and the door ____.A.open ; closed B.closed ; to open C.to open ; to close
—Do you know _____? —Sorry, I don’t know.
_____ the morning of December 1st, 2006, the 15th Asia Games _____ in Doha(多哈).
There are fifty students in our class, _____ of us _____ football.
—Hi, Lucy. Have you finished your homework yet? —No, just a half. I am really bored with so much homework. —_____
I didn’t have _____ to say, so I said _____.