David, you _____play with the valuable bottle; you_______ break it.
| A．won’t; can’t | B．mustn’t; may |
| C．shouldn’t; must | D．can’t; shouldn’t |
The man in blue must be your brother, _____?
| A．mustn’t he | B．needn’t he | C．isn’t he | D．is he |
You hardly know each other, _________?
| A．do you | B．don’t you | C．have you | D．didn’t you |
She never tells a lie, ________?
| A．does she | B．doesn’t she | C．is it | D．isn’t it |
Nothing seems to please her, _________?
| A．does it | B．doesn’t it | C．is it | D．isn’t it |
She has breakfast at six every day, ________?
| A．has she | B．hasn’t she | C．does she | D．doesn’t she |