| A.is | B.are | C.were | D.have been |
科目:高中英语 来源:不详 题型:单选题
| A.are; were | B.is; were | C.are; was | D.is; was |
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科目:高中英语 来源:不详 题型:单选题
| A.has finished | B.have finished | C.are finishing | D.were finishing |
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科目:高中英语 来源:不详 题型:单选题
| A.are difficult | B.has proved difficult |
| C.is supposed difficult | D.have been found difficult |
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科目:高中英语 来源:不详 题型:单选题
| A.is | B.are | C.was | D.were |
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科目:高中英语 来源:不详 题型:单选题
| A.is | B.are | C.has | D.have |
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科目:高中英语 来源:不详 题型:单选题
| A.am going | B.is going | C.are going | D.was going |
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科目:高中英语 来源:不详 题型:单选题
| A.has | B.have | C.had | D.is having |
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