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问题: 高一水平英语问题,请看下吧

用所给词的适当形式填空
(2)I have no difficulty ______(swim) at all now.
(3)At lesat they can keep ________(my) float.
均解释下

解答:

1.swimming
have difficulty doing,意味“做……有困难”,否定形式为“have no difficulty doing”
2.me
keep sth + v原型,意为“保持…的状态”

第一个意思是“现在我游泳一点困难都没有了”
第二个意思是“至少他们能让我漂浮起来”