You must be tired now. Why not stop ________ a rest?
It was a very long day for Jack. He didn’t get home from school ____ six o’clock.
China lies ____ the east of Asia and ____ the north ofAustralia.
There is an old bridge ____ the river.
Yao Ming is a popular basketball player ____ the Chinesepeople.
----How old are you? ----I’m fifteen. I was born ________ 1990.