当对方帮了你的忙后,你应该说 A. OK B. Thanks ! C. How are you ?
—How many students are there in the classroom? ____. They are all in playground.
I ______ my English teacher for two years.
I haven’t finished my work ________.
—David, can you tell me how to use this new camera? —. Let me have a look.
—Oh, Lily, your skirt looks nice. Is it new? — No, I ____ it for two years.