He （lived) in Beijing （since) 1980 to 1997, but he （is now living) （in) Shanghai.A．livedB．

By the time he arrives in Beijing, we __________？

A．He lives in the hotel.B．He lives in the same building.C．He lives in the first apartm

听力原文：Since we are all social beings, the quality of our lives depends in large measure

My father took the photos ______ we lived in Cambridge.A: whenB: untilC: thoughD: since

Ensuring an adequate water supply have been a concern ever since people began to live in t

He s lived in London______.A．since a long timeB．for some timeC．long beforeD．some time ago