The policeman came up to the house, whose door was open, ________ there for a while, and went in.
To our great__________ , grandmother's illness proved not to be as serious as we had feared.
News about Hubei 2010 teachers' ___________ examination has been issued on the Internet.
--- Why did Sarah cry just now? --- She wanted a toy, _____ I can’t afford.
You’d better keep ______ when I take photos for you.
I can’t afford _______ car.