When I got to the cinema, the film ______________ for half an hour.
Some biologists believe this is an ancient survival strategy, _______ a diet with 30 percent fewer calories than usual increased life span.
The county, ________ in the north of Shanxi, has a history of more than 1,400 years.
—Shall we attend the concert this evening? —Great idea, ___ we can do some shopping first.
—Why do English people talk so often about the weather when they start a conversation?—Well, it’s probably because the weather is a(n)________ topic.
People in Los Angels have no idea of distance on the map, so they measure distance ____ time not miles.