S3B U10 For or Since Present Perfect Quiz

I've been part of the fossil research team ___ three months.

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Jason hasn't written any research articles ___ he became a professor.

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Hugo has been part of the hacking research team ___ all of his life.

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Penny has been a member of the Science club ___ two years.

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L hasn't done any homework ___ we started learning online.

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Ken has been a member of the Black Pink fan club ___ 5 months now.

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The museum has had the skeleton on display ___ 1998.

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Teacher Đen has been teaching ___ 2009.

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Archaeologists have known about the footprints in the cave ___ six months.

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Kevin has known about the the existence of aliens ___ 3 years.

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• since