The Greens used to live in London and now they ________ in Beijing.

They _____ on the little professor, but it led to his fierce criticism on us.

Car control is a topic _________ Beijingers have argued for a long time.

How was your recent trip to Sichuan—I’ve never had ________ one before.

Look！How long________like this—Three weeks! It’s usual here that rain________without stopping these days of the year