他八岁时就会游泳.(翻译) He _____ _____ _____swim when he was eight years old.

问题描述:

他八岁时就会游泳.(翻译) He _____ _____ _____swim when he was eight years old.

is able to
能的意思
祝你学习进步!望采纳,(*^__^*) 嘻嘻那不是一般过去时吗?为什么是用is?be able to 所以和前面的主语吻合。望采纳