You should apologize _____ your mother _____ your rudeness.
A. to; to B. for; to C. to; for D. for; for
People say that Vancouver is Canada’s most beautiful city, ______by mountains and the Pacific Ocean.
A. surrounding B. surrounded
C. being surrounded D. is surrounded
—Obviously, the boss looks happy again, doesn’t he?
—Yes. It’s said that he has ______ the difficult problem.
A. succeeded in solve B. tried to solve
C. managed to solve D. been solved
A concert will be held in our city _____ the great musician.
A. in search of B. in charge of
C. in memory of D. in favour of
We must do whatever we can _____ the river _____ any more.
A. to keep; polluted B. to prevent; being polluted
C. keep; polluted D. prevent; being polluted
People who want to cross Canada in less than five days forget the fact _____ Canada is 5,500 kilometers from coast to coast.
A. whether B. that C. how D. why
