题目内容：

根据所给中文完成下列句子,每空词数不限。

1.它非常勇敢，敢去一个当时为人类不知的地方。

It was very brave of him to go to a place that ___________________ humans at that time .

2.是史蒂夫乔布斯推动了智能电话的使用。

It is Steve Jobs who _________________________ of smart phones.

3.那个岩洞被誉为大自然的艺术宫殿。

The cave _________________________ the “Art Palace of Nature”

4.人们喜欢聚在那儿观看升旗仪式。

People like to gather there to watch ________________________________________.

5.你对他说的话满意吗？

Are you __________________________ what he said?