They are _____than my father .A. old B. older C. young
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