I'm not sure whether this is the room ______ she left her di

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I'm not sure whether this is the room ______ she left her dictionary.
A.where B.that C.which D.in that
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A.I'm not sure whether this is the room ______ she left her dictionary.由题意知句知room后引导一个地点状语从句,故选where.that引导状语从句中只做纯粹的连接词,本题明显不行.而which是定语从句中的连接词,应首先排除.最后in that是在后面从句中有不及物动词如arrive等时才使用

Jim is ______(或许）in his room,I'm not sure. 首字母填空：He is p__________ in the room,I'm not sure. I'm not sure ______ it's a good idea or not.A.whether B.that I am not sure whether she is right or not对的吧 This is the second letter_______from her since she left i'm not sure whether he has ______ to do with it.A.anything I saw her ______ the room this morning. (enter) 1.______,she left the room. i'm not sure ______ he is speaking at the meeting This sure is light,because I'm not that strong! I'm not sure whether I can complete the work on time.这句话对吗英语翻译1.I’m not sure whether I can gain any profit from the in