【单选题】Look! _ _ our new book. [ ]
【判断题】大钩减震弹簧的作用是:钻井时缓冲减震,起钻卸开钻柱丝扣后能使立根自动向上跳起脱离下部母扣。
【单选题】Look, I have ____ new English book. [ ]
【单选题】Here is the book. First _________ it and then tell me what you think of it.
【单选题】______, this is a nice book. [ ]
【单选题】Go to the study. _____________ a book. [ ]
【单选题】Look at ____ book. It's broken. [ ]
【单选题】You'd better ______ her number in the phone book. [ ]