---How long has your brother been working here?
---_______ he graduated from college in 2007.
| A．When | B．Until | C．Long before | D．Ever since |
It is a surprise for me to see that these old-fashioned machines are still ________ in the big city.
| A．in order | B．in use | C．in danger | D．in difficulty |
The medical team, three doctors and two nurses, _______ for the mountain area yesterday.
| A．put off | B．put up | C．set about | D．set off |
You’d better practice more and play better if you want to make a good ______ on the audience at the concerts.
| A．decision | B．impression | C．harmony | D．conclusion |
— Would you please join us in this computer game?
— Thank you, but I’d rather________.
| A．not to | B．not join | C．not do | D．not |
—Did you remember to give Jenny the money?
—Yes. ________ I saw her, I'm sure.
| A．So long as | B．So far as | C．The moment | D．Any time |