—Must we clean the classroom at once?—No, you . You can clean it after school.A. needn’t B. mustn’t C. must
all of us enjoy playing computer games, we can’t spend too much time on them.
This is my new pen. Let me ________________.
We had so much homework. I didn’t go to bed I finished it yesterday evening.
The number of students in class ten sixty-six, and a large number of them Jay Zhou.
He moved here a week ago. So he has ______ good friends in this city.