The family is a cooperative enterprise for which it is difficult to _____ rules, because each family needs to work out its own ways to deal with its own problems.
| A．set up | B．put down | C．keep up | D．lay down |
You don’t think I’m going out in such wet weather, ?
| A．am I | B．do you | C．don’t you | D．do I |
He must have left home yesterday, he?
| A．hasn’t | B．didn’t | C．mustn’t | D．needn’t |
You must work hard from now on, ?
| A．can you | B．won’t you | C．mustn’t you | D．needn’t you |
You needn’t go, ?
| A．can you | B．must you | C．need you | D．may you |
She could hardly believe it,?
| A．couldn’t she | B．could she | C．didn’t she | D．did she |