—The charity walk begins _______ 9.00 a.m. Don’t be late. —No problem.
— Is it going to be colder tomorrow? — Yes. The radio says it will be five zero.
Our teacher asked us to write a(n) about something interesting happening in the summer holidays.
Our geography teacher told us the sun in the east.
Fifty kilometres is not a long for people who have a car.
a Chinese athlete, Liu Xiang is looking forward the 2008 Olympic Games.