题目内容：

根据句意,用括号内所给单词的适当形式填空。

1.How amazing! An 80-year-ol d man ________ (成功地) swam across the river yesterday.

2.The child ________ (说谎) to the teacher about why he was late this morning.

3.Now many students ________(几乎不) have enough sleep because of too much homework.

4.Mount Qomolangma is one of the natural ____________ (奇迹) in the world.