how long have the greens--.

how long have the greens--. How long will the Greens stay in China? How long have you _____ the car? The Greens ____（have）supper How long have you____? How long have you________? How long have you the football team of the school? how long have you been reading the book和how long did you rea how long have you kept the book?的同义句. ---How long have you lived in the new flat? ---How long have you been in the class today?-----_________. how long have you prepared for the art festival?