The letter "x" often represents a(n) (known) number in some Math exercises.
Who gets up the (early) in your family?
My mum. She cooks breakfast for Dad and me.
Children should go to bed before nine every light,or they will be (sleep) in class.
Tom is thinking about going as a cowboy for the year at Halloween. (five)
At the weekend,you may play a computer g ,but you mustn't play for more than 30 minutes.
Cells are the and most basic units of living matter. (small)
Hainan Province is in the (south) part of China.
At present,there are more and more v coming to Sanxingdui.
The e kids learn to be independent, the better it is for their future.
A good (listen) will help you a lot when you study.