选择填空。(16分)
Mike 每天早上坐出租车去上学,他应该这样说:________
A.I go to school by bike every day.
B.I go to school by bus every day.
C.I go to school by taxi every day.
( )(2)Li Yan 想知道谁在过山车上,她应该这样问:________
A.What are on the roller coaster?
B.Who are on the roller coaster?
C.Whose is on the roller coaster?