1) I'd like to ______ speak three foreign languages fluently. a) be able to b) could 2) Many years ago, people ______ travel without passports. a) can b) could 3) Now they ______ book a flight online in just a few minutes. a) can b) could 4) In my childhood, I ______ climb trees all day without getting tired. a) could b) am able to 5) He ______ run a marathon after months of training. a) was able to b) can to

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