邀请同学一起走,你可以说:________A.Let's sing. B.Let's go. C.Let's play.
( ) ---_______ is my pencil? ---It’s under your book. A. What B. Where C. Who
( ) I have two ______. A. friend B. book C. books
() We ______ a new classroom. A. have B. has C. had
( ) Look ________ the blackboard! A. at B. / C. to
() --- _________ is it? ---It’s red. A. What B. Where C. What colour