---How about your last weekend,Jim? ---Quite meaningless.I ______my parents do the cleaning the whole day.
—_____ late for class next time. —I’m sorry.
There is a police car _____ the bus. The police are watching the traffic.
The old woman lives _____ a house _____ a garden.
Judy, don’t put your keys here. _____, please.
There _____ a tall tree and some chairs at the back of this community.