科目: 来源:不详 题型:单选题
A.has; searched | B.have; searched | C.has; searched for | D.have; searched for |
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科目: 来源:不详 题型:单选题
A.is | B.has been | C.are | D.have been |
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科目: 来源:不详 题型:单选题
A.have; is | B.has;are |
C.has; is | D.have; is |
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科目: 来源:不详 题型:单选题
A.have been made | B.has been made | C.have made | D.has made |
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科目: 来源:不详 题型:单选题
A.is | B.are | C.am | D.be |
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科目: 来源:不详 题型:单选题
A.are used to; polluting | B.will be used to; polluting |
C.is used to; polluted | D.is used to; being polluted |
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科目: 来源:不详 题型:单选题
A.is well paid | B.are well paid | C.is paying well | D.are paying well |
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科目: 来源:不详 题型:单选题
A.There; whether | B.It; whether | C.There; that | D.It; that |
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科目: 来源:不详 题型:单选题
A.the number of people; was | B.a number of people; were |
C.many people; were | D.the number of people; were |
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