It’s hard for the young people to imagine what _____ conditions their parents once lived under.

What _________ to the building—It _________ when all the people were sleeping.

The police told the driver that he had knocked a girl________her bicycle and had nearly caused an accident.[ ]

If you don’t keep your words all the time , your best friends won’t you any more .

I saw you and Ann do some gardening yesterday afternoon. Why didn’t you take part in Sam’s wedding ceremony—I_____. But my car _____.