| —When _________ the abacus _________? —In the sixth century by the Chinese people. |
A. is; invented B. did; invent C. was; invented D. does; invent |
科目:初中英语 来源: 题型:单选题
--When _____ the abacus _____?
-- In the sixth century by the Chinese people.
科目:初中英语 来源:同步题 题型:单选题
科目:初中英语 来源:2011-2012学年宁夏回族自治区银川市李俊中学初三第一学期期末考试英语试卷 题型:单选题
--When _____ the abacus _____? -- In the sixth century by the Chinese people.
| A.is, invented | B.did, invent | C.was, invented | D.does, invent |
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