老师问“今天谁值日?”应问:A.Who’s on duty today?B.Who’s in duty today?
I'm ____than you. A. thinner B. thin C. thiner
How big are your____? A.foot B.feet C.foots
-ls Kate in? -No, she isn't. She is out.
This is Tom's picture. That is mine.
-Thanks a lot. -That's all right.