1) I ________ (practise) my lines. Rehearsals start next week.  a) am practising b) ´ve been practicing c) practised d) have practised e) was practising f) none of the answers 2) I ______ (visit) patients in their homes. a) 've been visiting b) visited c) have visited d) had visited e) visit f) none of them 3) I _______ (mark) homework for hours. a) marked b) have marked c) was marking d) am marking e) 've been marking f) none of them 4) I ______ (try) some new ideas for a recipe. a) tried b) have tried c) had tried d) 've been trying e) was trying f) none of them 5) I ______ (research) a news story. a) had researched b) 've been researching c) have researching d) researched e) was researching f) none of them

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