| A.worked | B.was working | C.have worked | D.had worked |
科目:高中英语 来源:不详 题型:单选题
| A.is happened | B.was happened | C.happened | D.has been happened |
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科目:高中英语 来源:不详 题型:单选题
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科目:高中英语 来源:不详 题型:单选题
| A.went to | B.gone to | C.been in | D.been to |
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科目:高中英语 来源:不详 题型:单选题
| A.are used to; polluting | B.is used to; polluting |
| C.is used to; polluted | D.is used to; being polluted |
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科目:高中英语 来源:不详 题型:单选题
| A.is blowing | B.has blown | C.blew | D.had blown |
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科目:高中英语 来源:不详 题型:单选题
| A.proving | B.proved | C.was proved | D.has been proved |
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科目:高中英语 来源:不详 题型:单选题
| A.hadn’t | B.didn’t | C.weren’t | D.might not |
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科目:高中英语 来源:不详 题型:单选题
| A.are; expect | B.were; had expected |
| C.have been;were expecting | D.are; were expecting |
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