I feel stressed from time to time. But I don’t know_____.
| A．who to talk | B．who should I talk to |
| C．who I should talk to | D．which to talk to |
Could you tell me how long you _____ on your homework every day?
| A．cost | B．spend | C．take | D．pay |
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 |