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
I was putting on my shirt ______ my telephone rang.
A. while B. when C. as D. before
The alarm_______ when the thieves went into the office.
A. went away B. went along C. went by D. went off
People in Jinjang are proud of ____they have achieved in the past ten years.
A. what B. which C. that D. how
Elizabeth Blackwell, who in 1849 became the first woman ever a medical degree in the USA, fought women’s rights bravely.
A. receive; for B. to receive; for C. get; against D. to accept; for
----Are you a teacher?
----No, but I ______ in Harbin No. 3 High School for 3 years.
A. had taught B. has taught C. teach D. taught
