—What do you think of the news in today's newspaper?
—We shouldn't ________ the trouble of helping others only because what we do may invite trouble.
| A．knock off | B．take off |
| C．keep off | D．break off |
For ____ interested in getting on line, the school offers an Internet bar.
| A．them | B．they | C．these | D．those |
—Which tie do you prefer, sir? —I’ll take ____ to have a change sometimes.
| A．all them | B．them all | C．both them | D．them two |
Before you make some coffee, you should make sure the coffee pot ____.
| A．wiped out | B．is wiped out | C．wiped off | D．is wiped off |
. Tim, you should briefly ___ the main arguments before the voting.
| A．calculate | B．identify | C．observe | D．summarize |
. To __ terrorism, what action should be taken?
| A．end up with | B．put an end to | C．close down | D．get close to |