I like English very much， so I want to be ______ English teacher in the future．（　　）

A．aB．anC．the

Mr． Black thinks it's important for children to help ______ parents to do some chores．（　　）

A．theirB．themC．they

Look! There are many ______ on the hill．（　　）

A．monkeysB．horseC．cow

Lily and I both like sports， but she plays tennis ______ than me．（　　）

A．goodB．betterC．the best

Peter， you know the rules． ______ eat in class!

Sorry， I won't do that again．（　　）

A．Didn'tB．Doesn'tC．Don't