1) Penguins .... swim very well. a) can b) could 2) I .... run very fast when I was younger. a) could b) can 3) It's snowing,so we .... go out now. a) can't b) couldn't 4) Yesterday we .... play. a) can't b) couldn't 5) .... you play the piano when you were seven? a) Can b) Could 6) You have a nice tricycle. ... you ride it? a) Could b) Can 7) He has a broken leg,so he ... walk for a few days. a) couldn't b) can't 8) I ..... sleep last night. a) couldn't b) can't 9) We came as fast as we ..... a) can b) could 10) Why are you crying?Is there something I ... do for you? a) could b) can 11) You ... park here.It's forbidden. a) couldn't b) can't 12) Sam .... go to the party because he was too busy. a) couldn't b) can't 13) He hasn't got a racket,so he .... play tennis. a) can't b) couldn't 14) ... you ride a bike when you were seven? a) Can b) Could 15) Pamela is a ballerina,so she ... dance very well. a) can b) could

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