Present Perefect VS Present Perfect Continuous exercises
She ______ (read) that book for two hours. She ______ (run) for an hour. I ______ (know) him since they were kids. They ______ (be) tired all day.
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She ______ (read) that book for two hours. She ______ (run) for an hour. I ______ (know) him since they were kids. They ______ (be) tired all day.
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