| A.have already finished | B.was finishing |
| C.had just finished | D.was going to finish |
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.shall stay | B.have stayed | C.will have stayed | D.have been staying |
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科目:高中英语 来源:不详 题型:单选题
| A.had considered | B.has been considering |
| C.has been completed | D.is going to consider |
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科目:高中英语 来源:不详 题型:单选题
| A.to research |
| B.in researching |
| C.to researching |
| D.at researching |
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科目:高中英语 来源:不详 题型:完形填空
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科目:高中英语 来源:不详 题型:单选题
| A.choked back | B.choked down |
| C.choked out | D.choked up with |
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科目:高中英语 来源:不详 题型:单选题
| A.was stuck | B.have been stuck |
| C.am stuck | D.had been stuck |
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科目:高中英语 来源:不详 题型:单选题
| A.knows | B.know | C.have known | D.am to know |
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