在“Go to bed”时,应该说A. Good morning B. Goodbye C. Good night.
( ) 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