1) We have been writing the test _____________ 15 minutes a) for b) since 2) She has been learning Chinese _____________ 2022. a) for b) since 3) My parents have been painting the walls _____________ 3 days. a) for b) since 4) He hasn’t been getting bad marks _____________ October a) for b) since 5) I haven’t been missing the lessons _____________ last month. a) for b) since 6) They have been living in London _____________ 2011 a) for b) since 7) Sam has been working as a dentist _____________ 12 years. a) for b) since 8) I have been reading this book _____________ a week. a) for b) since 9) The teacher has been checking the tests _____________ 2 hours. a) for b) since 10) We have been laughing _____________ 5 minutes. a) for b) sincei 11) It has been snowing _____________3 hours. a) for b) since 12) It is 12 o'clock. Bob has been working _____________ 9 o'clock. It's time to have a break. a) for b) since

Form 7 Unit 3 Present Perfect Continuous FOR/Since

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