The tourists screamed their down to a safe landing when they were sitting in car that “fell” through the air from a tall tower.
If you ____ do as I tell you , you ____ go to the party .
Li Ling was a diligent boy . He ____ go to school though it was raining hard .
— ____ he open the door ? — Yes , please .
— Do you have to take care of your mother at home ? — Yes , I ____ .
— Would you please go to the cinema with me ? — Yes , I ____ .