22. We know a good deal about the people who lived in China 4, 000 years ago, because they
22. We know a good deal about the people who lived in China 4, 000 years ago, because they
发布时间：2020-08-16 06:13:43
22. We know a good deal about the people who lived in China 4, 000 years ago, because they write and leave written records for those who lived after them. A. could B. should C. must D. Shall
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(答案→)A. could B. should C. must D. Shall 解析：可联系答.案.网客服索取。