Wang Lin behaves well at table. This family tradition has been _____ for generations.

．It was a long time before she_________ to what he had said.

Having walked in the desert for several days, we felt exhausted, but we had to find a pool before water in the bottle ____. 

If we_________ sunlight_________ a dry leaf with a piece of glass, it may start burning.

I have to draw some money from the bank before our money ________ .