__________ in the regulations that you should not tell other people the password of your e-mail account.
| A．What is required |
| B．What requires |
| C．It is required |
| D．It requires that |
The Emperor’s clothes became the talk of the whole city, _________?
| A．did it | B．didn’t it | C．did they | D．didn’t they |
What fresh air, ________?
| A．is it | B．does it | C．isn’t it | D．doesn’t it |
They’d go with us, __________?
| A．wouldn’t they | B．didn’t they | C．hadn’t they | D．couldn’t they |
He’s posted the letter, _________he?
| A．isn’t | B．doesn’t | C．hasn’t | D．wasn’t |
The suit’s finished, __________?
| A．doesn’t it | B．isn’t it | C．haven’t you | D．hasn’t it |