A.cancels | B.is canceiled | C.was cancelled | D.had been cancelled |
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.is;are | B.is;is | C.are;are | D.are;is |
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科目:高中英语 来源:不详 题型:单选题
A.see to | B.will see to |
C.would be seeing to | D.have seen to |
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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.has rained | B.has been raining |
C.is raining | D.will rain |
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科目:高中英语 来源:不详 题型:单选题
A.suggest | B.suggests | C.suggested | D.suggesting |
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科目:高中英语 来源:不详 题型:单选题
A.protect | B.prevent | C.keep | D.stop |
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科目:高中英语 来源:不详 题型:单选题
A.was leaving | B.had left |
C.has left | D.has been leaving |
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