题目内容

介副词填空．

He has been knocking ________ Africa most of his life．

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介副词填空

When he retired, his eldest son took _________ the farm．

介副词填空

When he retired，his eldest son took ________ the farm．

介副词填空

(1)He picked ________ Guangdong in the radio clearly last night．

(2)The mother told her son to pick ________ everything on the floor．

(3)I have picked ________ the books I need．

(4)She is always picking my words ________．

介副词填空．

He has been burning ________ a chance to visit Beijing．

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