根据句意写出所给单词的正确形式。
(1)Look! One of the children __________(swim)in the lake.
(2)Lily is much __________(health) than her sister.
(2)They _________(fly) to the UK, didn’t they ?
(4)Is _________(eat) too much good or bad for your body ?
(5)Mr. Lee _______________ (give) us a talk on the history of China tomorrow, isn’t he?