___in the regulation 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 |
I couldn’t do my homework with all that noise .
| A．going on | B．goes on | C．went on | D．to go on |
Your hand is dirty. It needs ____________.
| A．to wash | B．to be washing | C．being washed | D．washing |
After the new equipment was introduced, they produced ______machines this year as the year before.
| A．as twice many | B．as many twice |
| C．twice as many | D．twice many as |
Can you make sure_______ the gold ring?
| A．where Alice had put | B．where had Alice put |
| C．where Alice has put | D．where has Alice put |
There’s only ten minutes to go. We can’t wait any more---- ______, we should start at once.
| A．what’s more | B．in a word | C．in the end | D．in other words |