Bob has gone to California.—Oh, can you tell me when he ______

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

The cost of living in Glasgow is among the lowest in Britain,________ the quality of life is probably one of the highest.[ ]

The old scientist devoted most of his time __________ the space science.

The next morning there was always somethingin anyone else’s stockings. Only mine hung there __________.