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—IhaveworkedhardatEnglish,butitseemsthatIhaven’tmadeany...

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問題詳情:

—IhaveworkedhardatEnglish,butitseemsthatIhaven’tmadeany...

—I have worked hard at English, but it seems that I haven’t made any progress.

            —Keep on _____ at it, and you will be successful.

                             ing              work                 s

【回答】

B

知識點:動詞和動詞短語

題型:選擇題

標籤:tmadeany