— your mother know the boy in the car?—No, she .A. Do; don’t B. Does; doesn’t C. Does; does
None of us knew what had happened _______ they told us about it.
The government stops businessmen(商人)from providing teenagers ____ cigarettes (香烟).
I hope you good results in the exam.
Chinese becomes one of the world’s _____________________________ .
I don’t have to live in the hotel ____ my friend provides a very good place for me.