The population of the world in 20th century became very much _________than that in 19th.
Look at our school. It is becoming .
In order more about Chinese, he reads a lot of books about Chinese history and culture.
This morning Timmy was very hungry but he had _______ .
They waited and waited, and_____ he came back.
–Can I have some more ice cream, Mum? -Sorry. There is left in the fridge.