The White House is a beautiful building_____a lot of trees and a big garden.You can invite your friends __________ it.
Try to buy one before all the tickets ________.
—_______have you visited Nanjing? —Three times.
He ________be at home because the light in his room is on.
We ________ our hands while they were singing on the stage.
—Have you ever ________ to the Great Wall? —Yes, I _______ there last autumn.