选择并改错，把错误的一项圈起来，在句子后来改正。
I must run ______than the police officer.
A. faster B. fast C. more fast
I like ______ on the beach.
A. play B. playing C. plays
______ is it from Canada to Beijing.
A. How often B. How far C. How about
______do they go to the store?
A. How B.What C.Where
______4：00 plople arrive for the party.
A.At B.In C.On