摘要： The key for locking the classroom door. A. uses B. is used C. is using D. use
网址：http://m.1010jiajiao.com/timu3_id_2412997[举报]
The key ________ for locking the classroom door.
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A. uses
B. is used
C. is using
D. use
网址：http://m.1010jiajiao.com/timu3_id_2412997[举报]
The key ________ for locking the classroom door.
[ ]