【简答题】Please put Mary ' s things back where you found them ______ she won ' t know where they are. [A] and [ B] or [C] but [D] then
【判断题】食管位于气管的前方,上端续咽,下端与胃的幽门相连。
【单选题】— Where is Mary's skirt? — ______ is on the bed. [ ]
【单选题】Please put Mary's things back where you found them ______ she won't know where they are.
【单选题】—Where’s Mary? —She’s ________ the classroom.
【单选题】—— Where did Mary’s parents buy the beautiful vase? —— It was in the same village _______ they spent their holidays last year.