I have a big dream — I want to go into space, _______ will take some time to realize, I guess.
| A．which | B．it | C．what | D．where |
—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 |
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 |