There are nine______ students at Green High School. Five _____ of them walk to school.
--- Sorry ,I can't sing English songs? --- ___. I'll teach you.
There is _________ swimming pool in front of Jhon's house.
--What can you see on the table? –We can see four ___ and six ______.
Mary came ______in the Chinese exam. This is _______time she got the good mark.