Lily is ______ active girl and she is fond of playing ______ volleyball.
--- What shall we do this Sunday?--- Why ______to the Science Museum?
Tell her ______the teacher and _______ the window.
-- Could I clean the room for you ?--- No, thank you. I ________it myself.
Mr. Yang teaches ______math and is very strict with us.
He has few friends and often feels lonely , _______he has much money.