---Mind your steps, guy! Don’t you see the words “__________ the grass”?
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.
I find this Math problem very ______. I believe students can work it out ______.