He is the person _______,I believe, has the ability to do this challenging job.
A. who B. whom
C. him D. which
The country life he was used to ______greatly since 1992.
A. change B. has changed
C. changing D. have changed
The lucky dog missed _______by his teacher, though he had made a big mistake.
A. to punish B. being punished
C. punishing D. to be punished
—I think your brother is managing your parents’ shop the wrong way.
—I agree. I regret _______it myself!
A. to run B. not to run
C. not running D. running
Upon ______the classroom， I started thinking about my mother.
A. leave B. leaving
C. left D. to leave
Although it had been________ struggle for him to finish______ experiment, he enjoyed the result with________ satisfaction.
A. the, an, / B. a, the, /
C. a, an, a D. /, the, a
