当询问面前的牛奶是不是对方的,可以说: A. This is your milk.B. Is this your milk?C. Is that your milk?
( ) They are. A .draw B. drawwing C. drawing
( ) These are . A. tigers B. tiger C.duck
( ) This is . A.beijing B. yunnan C Shanghai
( ) These ducks very naughty! A. is B .are C was
( ) Let’s the flowers. A. to water B. water C. watering