摘要： Having checked the doors were closed, and all the lights were off, the boy opened the door to his bedroom. A. why B. that C. when D. where [解析] B 所填选项引导宾语从句.从句中不缺任何成份和意义.只缺少连接词.所以用that引导.
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Having checked the doors were closed , and _________ all the lights were off, the boy opened the door to his bedroom.
A. why B. that C. when D. where
查看习题详情和答案>>Having checked the doors were closed , and _________ all the lights were off, the boy opened the door to his bedroom.
A. why B. that C. when D. where
查看习题详情和答案>>Having checked the doors were closed,and_______all the lights were off,the boy opened the door to his bedroom.
A.why B.that
C.when D.where
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