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单项选择 适中0.65 引用1 组卷124
His mother isn't very well these days. He ________ stay at home to look after her.
A.canB.mustC.couldD.has to
17-18七年级下·全国·课时练习
知识点:can (能够,可以)couldmusthave to 答案解析 【答案】很抱歉,登录后才可免费查看答案和解析!