A.has; has | B.has ; had | C.has ; have | D.have; have |
科目:高中英语 来源:不详 题型:单选题
A.didn’t realize | B.don’t realize |
C.haven’t realized | D.hadn’t realized |
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科目:高中英语 来源:不详 题型:单选题
A.have been looking | B.had been looking |
C.looked | D.had looked |
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科目:高中英语 来源:不详 题型:单选题
A.studied | B.has studied | C.had studied | D.has been studying |
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科目:高中英语 来源:不详 题型:单选题
A.have polluted | B.is being polluted | C.has been polluted | D.have been polluted |
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科目:高中英语 来源:不详 题型:单选题
A.had been looking | B.have been looking |
C.looked | D.have looked |
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科目:高中英语 来源:不详 题型:单选题
A.forgot | B.have forgotten | C.forget | D.had forgottten |
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科目:高中英语 来源:不详 题型:单选题
A.belong to | B.belongs to | C.is belonged to | D.are belonged to |
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