The old church ___________the first century A.D. is well preserved.A. dates back to B. dated back toC. dating back to D. to date back to
We are faced with the necessity to recognize that having more people implies a lower standard of living.
Although many people view conflict as bad, conflict is sometimes useful _______ it forces people to test the relative merits of their attitudes and behaviors.
— I phoned you at 7 yesterday evening but nobody answered. — Oh, I ________ my dog in the park then.
Paris________ be a wonderful city but it’s not somewhere I’d like to live.
A decline in electricity output forces industrial estates and cities to burn more coal and give out more carbon to _________ the shortfall.