单选题 It was while she was sleeping in her bedroom______a thief broke into the house.
【正确答案】 B
【答案解析】解析:句意:正是她在卧室睡觉的时候,一个贼破门而入。强调句型题。分析 句子结构可知,去掉“it was”和空处,句子结构依然完整,故本题应为强调句型,强调 句型的基本结构为“It is/was+被强调部分+that+其他”。这里“while she was sleeping in her bedroom”为被强调部分。故选B。