Shortly after the accident, two ___ police were sent to the spot to keep order.
| A．dozens of | B．dozens | C．dozen | D．dozen of |
“ Do you mind if I keep pets in this building?”
“________________”
| A．No, you can’t | B．Great! I love pets. |
| C．I would rather you didn’t, actually | |
| D．Of course not, it’s not allowed here |
The headmaster could not go to the meeting; therefore, Mr. Smith _______ him.
| A．ranked | B．represented | C．took the place | D．modelled |
The policemen regretted _______ as soon as possible at the alarm.
| A．not taking action | B．not to take measures |
| C．taking no actions | D．to take no action |
He didn’t go to detail on the subject. He spoke ________.
| A．in common | B．in particular | C．in general | D．in advance |
When I entered the classroom, I saw Mary ______ at the desk and ______ a letter.
| A．seating; writing | B．seated; wrote | C．sitting; wrote | D．seated; writing |