科目: 来源:不详 题型:单选题
A.an underground lake was discovered | B.there was an underground lake discovered |
C.a lake was discovered underground | D.the workers discovered an underground lake |
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科目: 来源:不详 题型:单选题
A.to study | B.studying | C.to studying | D.studied |
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科目: 来源:不详 题型:单选题
A.Having not been invited. | B.Having not invited |
C.Not having been invited | D.Not having invited |
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科目: 来源:不详 题型:单选题
A.diving; diving | B.diving, dived |
C.dived; dived | D.dived; diving |
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科目: 来源:不详 题型:单选题
A.to be invited | B.invited | C.being invited | D.had been invited |
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科目: 来源:不详 题型:单选题
A.reading | B.reads | C.to read | D.read |
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科目: 来源:不详 题型:单选题
A.attacking | B.having attacked |
C.being attacked | D.having been attacked |
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科目: 来源:不详 题型:单选题
A.causing | B.having caused | C.caused | D.to cause |
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科目: 来源:不详 题型:单选题
A.discovered | B.to be discovered | C.discovering | D.having discovered |
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科目: 来源:不详 题型:单选题
A.taken | B.to take | C.taking | D.being taken |
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