A.is going to | B.are going to | C.was going to | D.were going to |
科目:高中英语 来源:不详 题型:单选题
A.wasn’t prepared | B.wasn’t been prepared |
C.hadn’t prepared | D.was preparing |
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科目:高中英语 来源:不详 题型:单选题
A.had he failed; he realized | B.he had failed; did he realize | C.he had failed; he realized | D.had he failed; did he realize |
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科目:高中英语 来源:不详 题型:单选题
A.has begun | B.has been begun | C.has been on | D.began |
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科目:高中英语 来源:不详 题型:单选题
A.have been planted | B.were planted | C.have planted | D.had planted |
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科目:高中英语 来源:不详 题型:单选题
A.has taught | B.will teach | C.has been teaching | D.will have been teaching |
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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 improving | B.have been improving |
C.were improving | D.improved |
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科目:高中英语 来源:不详 题型:单选题
A.cleaned | B.have worked | C.was cleaning | D.have been cleaning |
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