当你想问“多少钱”时,应该说__________A. How much is it? B. How old are you?C. How are you?
( ) The birds are playingthe rain. A. on B. in C. at
( ) Baby, pleaseto your room. A. goingB. goC. to go
( ) Amy’s playing piano. A. the B. a C.\
( ) A cat is. A.run B. running C. runing
( ) I watering my flowers. A. is B. are C. am