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】Matteristhename________(give)toeverythingwhichhasweightandoccupiesspace.
答案:
解析:
1、【题目】heteachertoldthemsincelight________(travel)fasterthansound,lightning________(appear)togobeforethunder.
答案:
解析:
1、【题目】Somemoleculesarelargeenough________(see)undertheelectronicmicroscope.
答案:
解析:
1、【题目】“Haveyoumovedintothenewflat?”“Notyet.Therooms________(paint).”
答案:
解析:
1、【题目】________ (catch) in the rain, he was wet to the skin.
答案:
Caught (Having been caught,Being caught)
解析:
暂无解析
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