1、【题目】Abeamoflightwillnotbendroundcornersunless________(make)todosowiththehelpofareflectingdevice
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1、【题目】Ishallneverforget________(meet)thelatePremierZhouduringhisinspectionofourfactory.
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1、【题目】Herefusedtotelluswhetherhe________(undertake)thejob.
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1、【题目】Matteristhename________(give)toeverythingwhichhasweightandoccupiesspace.
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1、【题目】________(catch)intherain,hewaswettotheskin.
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1、【题目】The floor does not look so bad when ________ (sweep) clean.
答案：
swept
解析：
暂无解析
1、【题目】he teacher told them since light ________ (travel) faster than sound,lightning ________ (appear) to go before thunder.
答案：
travels, appears
解析：
暂无解析
1、【题目】Thefloordoesnotlooksobadwhen________(sweep)clean.
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1、【题目】He fell asleep immediately last night; he must ________ (be) very tired.
答案：
have been
解析：
暂无解析
1、【题目】“Haveyoumovedintothenewflat?”“Notyet.Therooms________(paint).”
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1、【题目】Those who’d like to visit the exhibition ________ (sign) your names here.
答案：
sign
解析：
暂无解析
1、【题目】Heaskedmewhethermybrother________(fly)toBeijing.
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1、【题目】How long ________ they ________ (dig) the ditch?
答案：
have … been digging
解析：
暂无解析
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