Sam ________ some knowledge of the computer just by watching others working on it.
| A．brought up | B．looked up |
| C．picked up | D．set up |
“___________ the election is over,” said Powell, “the time has come for me to step down as secretary of state and return to private life.”
| A．Now that | B．In case | C．So long as | D．As far as |
—Hi, Tina ,we’re going to Sam’s house to celebrate his graduation. Would you like to?
—Great! Let’s go.
| A．come up | B．come on | C．come out | D．come along |
－It’s many years since I saw you last, I __________ you at all.
－I wouldn’t have, either, if someone __________ you by the name.
| A．didn’t recognize; hadn’t called | B．didn’t recognize; didn’t call |
| C．haven’t recognized; didn’t call | D．can’t recognize; had called |
When he looked up, he suddenly found himselfby a group of teenagers,
looked at him anxiously.
| A．to be surrounded; which | B．surrounded; who |
| C．be surrounded; who | D．having been surrounded; which |
I really don’t know _________ I had my money stolen.
| A．when was it that | B．that it was when |
| C．where it was that | D．it was where that |