1.They are waiting for you at the bus s(top ).
2.Beijing is in the n( orth ）of Chian.
3.I often get up at h(alf ) past six in the morning.
4.There are sixy m(inutes ) in an hour.
5.It's about two k(ilometers ).
6.Riding a bike is a kind of h(ealthy ) sport.
7.There is no bridge over the river ,so we must get there by b（oat）
8.Don't w（orry ）．