Mary is so wet. She _______ in the rain.
| A．must be caught | B．must have been caught |
| C．should have been caught | D．can have been caught |
Once we have________some knowledge, things do not become more difficult, but comprehensible.
| A．required | B．acquired | C．inquired | D．inspired |
The chief editor demanded that the article ________immediately.
| A．must be submitted | B．would be submitted |
| C．submits | D．be submitted |
Tom is a promising student. I am sure that with his________effort, he will make a very successful scientist.
| A．usual | B．constant | C．content | D．normal |
We are hoping that these measures taken by the local government will help________things a bit.
| A．sweep up | B．speed up | C．make up | D．save up |
The girl acted properly and confidently during the job interview, which made a deep________on the employer.
| A．impression | B．expression | C．permission | D．admission |