He was a good swimmer so he ___swim to the river bank when the boat sank为什么不选could表能力呢?
问题描述:
He was a good swimmer so he ___swim to the river bank when the boat sank为什么不选could表能力呢?
答
could只表示过去有能力
was able to除表示能力之外,更强调过去成功地做成了某事
此句翻译:
他是一个好的游泳者,所以,当船沉的时候他成功地游到了河岸.