An _______ girl crosses the river every school day.A. 8-years-old B. 8 years old C. 8-year-old
——I haven’t got a camera. ——I think you should buy_______. It’s useful for you.
——Don’t put the bike_______the teaching building. ——Sorry, I won’t.
_____ people in the world are sending are receiving e-mails every day.
I have never heard______.
The traffic accident _____ last Sunday morning.