—The police have caught the murderer.
—Yes, and he admitted ________ his boss on a rainy night seven years ago.
| A．to kill | B．to have killed | C．having killed | D．have been killing |
—Ouch! You hurt me!
—I am sorry. But Iany harm. Ito drive a rat out.
| A．didn’t mean; tried | B．don’t mean; am trying |
| C．haven’t meant; tried | D．didn’t mean; was trying |
He didn’t make __________ clear when and where the meeting would be held.
| A．this | B．that | C．it | D．these |
Dogs have a very good ___________ of smell and are often used to search for survivors in an earthquake.
| A．sense | B．view | C．means | D．idea |
Only in this way will you get your valuable ideas __________ ; or your time will be wasted.
| A．over | B．across | C．away | D．down |
The young teacher always has a lot of methods to make her lessons lively and interesting, _______ all her students.
A. agreeing to B. turning to C. seeing to D appealing to