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1 . It is strongly recommended that the machine ______ maintained every year for safety reasons.
A.be | B.will be | C.is | D.has been |
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2024-02-28更新
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188次组卷
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2卷引用:陕西省西安中学2023-2024学年高三上学期1月期末英语试题
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2 . It is strongly recommended that the machines ________ every year.
A.check | B.be checked | C.checked | D.checking |
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2010·陕西·模拟预测
3 . It is requested that each of the teachers invited ______ a performance at the party.
A.should give | B.will give | C.has to give | D.must give |
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