Grandpa ________ read when he was seven., could, couldn't, Grandpa ________ swim when he was six., could, couldn't, Grandpa ________ ride a bike when he was ten., could, couldn't, Grandpa ________ sail a boat when he was ten., could, couldn't, Grandpa ________ speak Spanish when he was twenty., could, couldn't, Grandpa ________ skateboard when he was eight., could, couldn't.

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