It ____ that all the students were having lessons in the teaching buildings when the earthquake occurred.[ ]

10Li Ming speaks very good English ______he were an English boy

Some people fear that ________ airpollution may bring about changes in _______ weather around the world.

With the speedup of the railway, now you can get to your destination by train.

There was hardly anything left after theearthquake, ______? —______. People had to rebuild theirhouses.