1) I have never ____________ a dolphin before. a) seen b) see c) saw d) seeing 2) kids _______________ already visited their grandma. a) has b) were c) have d) was 3) _____________ you call your friend yesterday? a) Did b) Do c) Have d) Were 4) _______________ you ever been to a summer camp? a) Has b) Is c) Did d) Have 5) My sister hasn't finished her homework ____________ a) just b) yet c) already d) ever

present perfecr vs. past simple

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