你想知道你爸的生日在什么时候,该怎样问他: A. When’s your birthday , Dad ? B. When’s my Dad’s birthday ? C. Is your birthday in May , Dad ?
I go to school_________ 7 o’clock. A. on B. at C. in
Who’s ________ the bathroom? A. on B. atC. in
How_______ your day? It was OK. A. is B. was C. are
It _________ about 20 minutes. A. take B. takes C. taking
How _________ Dongdong go to school? A. does B. do C. did