The number of the students in our school ___ 1,000, and a number of them ___ boys.
| A．is, are | B．is, is |
| C．are, is | D．are, are |
Children _______ sit in the front seat of a car. It’s too dangerous.
| A．need | B．needn’t | C．must | D．mustn’t |
She says she will come to visit our school _____ next week.
| A．sometime | B．some time |
| C．some times | D．sometimes |
---May I go home right now?
---No, you____. You must finish your work first.
| A．don’t | B．can’t | C．needn’t | D．mustn’t |
Nobody told me how _____, but finally I solved it by myself.
A. could I deal with the problem
B. I can deal with theproblem
C. I could deal with the problem