________ should not to be allowed to work at night.
| A．Sixteen-year-olds | B．Sixteen-years-old |
| C．Sixteen year olds | D．Sixteen-years-olds |
Once a year , people take part in “ ______ Lights ” activity to help save energy .
| A．Show Off | B．Turn Off | C．Take Off | D．Put Off |
– My bike is missing. I can’t find it anywhere.
– I’m afraid you have to buy .
| A．it | B．one | C．any | D．few |
Connie arrived ____ the village____ a snowy night.
| A．at; on | B．at; in | C．in; at | D．in; on |
____ you ____ your brother can join us. We want one of you.
| A．Both; and | B．Neither; nor |
| C．Either; or | D．Not only; but also |
—Must I finish the homework tonight?
—No, you.You can finish it tomorrow.
| A．mustn’t | B．needn’t | C．need | D．must |