Had they known what was coming next, they ________ second thoughts.
| A．may have |
| B．could have |
| C．must have had |
| D．might have had |
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 |
He had sent for a doctor; ___ we did our best to nurse the patient.
| A．in the same time | B．on the other hand |
| C．meanwhile | D．during which time |
Have you got a pen and a piece of paper? I’ll___ what you have told me.
| A．make notes | B．take notes of | C．leave notes of | D．take a note |