--- The little girl dances so well. Where was she trained?-- She learns all by herself. She ______ goes to any training class.

------ I wonder ______ you’ll water this kind of tree. ------- Once a week.

Tom is a good boy and he writes _________ in his class. 

It is too noisy. I can         hear what Mr. Wang is saying.

Jack works ___. He____ plays computer games after school.