I knocked on the door but ______ answered.
Tom usually goes fishing __ Sunday morning. A. at B. on C. for
--Maria, here is my new house. --Wow, you have __ beautiful house ! A. a B. the C. 不填
--I want to know when Mr. Brown will arrive.--When he , I will tell you. A. will arrive B. arrived C. arrives
--Jack, let's go to see the movie Harry Potter.-- Oh, I it many times. So I don' t want to see it.A. have seen B. see C. will see
--I can' t find Mike. Could you tell me ?--He is in the library. A. what he is B. how he is C. where he is