Can /Can't - Could /Couldn't. Complete the. sentences. 1. My mother could climb trees. when she was little, but I 2.Small. babies hear the different sounds of all the languages of the world, but I 3. One hundred years ago , people drive faster than around 20 kilometres per hour. 4. My grandfer call his friends when he was younger because he didn't have a telephone . 5. My mother speak German , English and Russian when she was 20 years old. because she had great teachers . 6. We do sport indoors because our school has an excelent gym.

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