________ the difficult maths problem, I have consulted Professor Russell several times.
A. Working out B. Worked out C. To work out D. Work out
________ village where I was born has grown into ________ town.
A. The; a B. A; the C. The; the D. A; a
Ralph W. Emerson would always ______ new ideas that occurred to him.
A. set off B. set about C. set up D. set down
No sooner ________ stepped on the stage than the audience broke into thunderous applause.
A. had Mo Yan B. Mo Yan had C. has Mo Yan D. Mo Yan has
— You know, I met my girlfriend’s parents for the first time only yesterday.
— ________? I thought you’d met them before.
A. So what B. Pardon C. Really D. What for
________ the delayed flight will take off depends much on the weather.
A. Why B. When C. That D. What