By the time he was twelve, Edison _______ to make a living by himself.
A. has begun B. began C. had begun D. had been beginning
The two sportsmen congratulated each other _______ winning the match by shaking hands.
A. with B. on C. in D. to
Information has been put forward _______ more middle school graduates will be admitted into universities.
A. where B. as C. when D. that
Even if they are on sale, these computers are equal in price to, if not more expensive than,
________ at the other store.
A. the others B. others C. the ones D. ones
The manager demanded that the workers _______ extra hours to complete the task ahead of
time.
A. work B. were working C. worked D. would work
Now that she is out of job, Lucy ______ going back to school, but she hasn’t decided yet.
A. had considered B. has been considering
C. considered D. is going to consider