—Tom graduated from college at a very young age.
—Oh, he ______ have been a very smart boy then.
A. would B. should C. must D. might
It was reported that 115 miners _____ in the flooded mine for eight days were pulled out alive at last.
A. trapped B. being trapped C. were trapped D. had trapped
Police were sent out to keep the traffic ________ smoothly during the snowstorm.
A. being run B. run C. to run D. running
Michael ________ football regularly for many years when he was young.
A. was playing B. played C. has played D. had played
He liked to go to dances and parties, _____ he could have a good time just sitting and watching.
A. where B. when C. which D. why
______ bad weather stops me, I jog every day.
A. Although B. If C. Unless D. When