Sally worked late in the evening to finish her report ______ her boss could read it as the first thing next morning.

, which has been widely used in________ recent years, is ________ good way of ________ communication

The old man was too poor ___________a room _________ .

Every year _____ money and energy isspent on environment protection.

Did you watch the animal show yesterday— No. We were to catch the last bus.