Some scientists have sent a spacecraft to Mars. It ____ several months to get there.
| A．spent | B．has spent |
| C．has taken | D．take |
－Do you hear there was _______ fire in the shopping mall last night?
－ Yes. I never thought _______ fire can be so terrible.
| A．the; the | B．／; a | C．the; a | D．a; ／ |
---Excuse me. Can I take a seat here?
---__________. The woman who sat here will be back soon.
| A．We’d better not. | B．No, thank you. |
| C．Yes, please. | D．I’m afraid you can’t. |
---Can you tell me ______________?
---His home is quite far away from the office, I think.
| A．when he got up | B．where he works |
| C．why he bought the car | D．how he likes his job, |
I’ve become good friends with several of the students in my school __________ I met in the English speech contest last year.
| A．who | B．where | C．when | D．which |
Mr. Smith works with a mobile phone company, but he _____________ for this international meeting, since he is on holiday.
| A．works | B．is working | C．has worked | D．had worked |