Use the cues to make sentences in the present perfect .
1.I / buy / a laptop / but I / not use /it .
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2.I /write / a blog / but I / not upload /any photos to it .
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3.We /start /the game /half an hour ago /but we /not finish /it .
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4.My dad / be / to London / but he / not see / Big Ben .
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5.I /read /my English book /but I / not do / my English homework .
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6.They / have / lunch / but they /not have / dinner .
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7. I /download /some songs /but I / not listen / to them .
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