一些英语提问

一些英语提问
Tom shows great_____in playing football.(inreresting)
He_____when he heard the bad news.(freeze)
The teacher warned the students not to play with_____.(chemist)
The river near our school is badly______.(pollute)
The _____symbol for copper is CU.(chemistry)
The students here are____from Japan.(main)
有谁可以填一填吗？一些英语填空