—Excuse me, Mum. When can we have dinner?
—Not until it in half an hour.
| A．is prepared | B．will be prepared |
| C．had been prepared | D．was prepared |
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 |
---Could we have _______ bread, please?
---Sorry, we have ___________.
| A．some; none | B．some; no |
| C．any; none | D．any; no |
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 |
My mother was doing the cleaning in the sitting room ________ the telephone rang.
| A．when | B．while | C．since | D．as soon as |