皮皮学，免费搜题
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【判断题】
电视插座安装定额含预留线。A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】My sister met him at the street yesterday afternoon, so he __________ your lecture.
A.
shouldn’t have attended
B.
couldn’t have attended
C.
mustn’t have attended
D.
needn’t have attended
【简答题】婴幼儿缺铁性贫血最常见的原因为 ,成人缺铁性贫血的最常见的原因是 。
【单选题】My sister met him at the Grand Theatre yesterday aftemoon , so he _____ your lecture. [ ]
A.
couldn't have attended
B.
needn't have attended
C.
mustn't have attended
D.
shouldn't have attended
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