I ____________ ride my bike without trainer wheels when I was 5 years old., can, could, can't, couldn't, Most birds .... fly., can, can't, couldn't, When my cat was born, he ...... run., couldn't, could, can, Now my brother ..... jump the rope in one foot., can, could, couldn't, When Tom was 16, he was a fast runner. He _____ run 200 meters in 22 seconds., could, can, can't, couldn't, He is smart. He _____ speak English, Chinese, and Vietnamese., can, can't, could, couldn't, A baby dinosaur __________________________ quite fast., can run, could run, can to run, could running, __________________________ dinosaurs __________________________ noises?, Could / to fly, Could / make, __________________________ dinosaurs __________________________ grass?, Did / eat, Did / ate, __________________________ dinosaurs __________________________scales?, Did / have, Did / had

Can/ Can't/ Could/ Couldn't

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