1、this room is ____ a the editor-in-chief office b the editor-in-chief's office2、my old classmate works at ___a a teacher's college b a teacher college 请详细解释答案原因及语法知识!谢谢!

this room is ____ (wet)of all This is my room同义句是?This is a room____ ____ ____ this is the ____(teacher) room 所有格填空? This room is too small for us（同义句） This room is ____ ____ _____for us. This room is too small for us.(保持句意不变)This room is ____ _____ ______ for us. “Whose room is this? 同意句转换 This room is as big as that one.This room is as big as that one.These two rooms are ____ ____ ____ _____. This is ____ ____ ____ this is the only room ____.这是唯一可用的房间 What is this room like This is p_____of her room. she ____(清洁) her room this morning. she ____(清洁) her room this morning. ____ plant is this? this is my room ,that is the ___(twin) room There is a nurse in the room.____ ____ ____ ____ there in the room? This ____ room is big and clean.上面还给了一张图：两张床、地方挺大的、 ____ is this boy in the art room -My new friend A:Who's B:What C:How D:Who