根据括号中所给的汉语写出单词，使句子意思完整正确。

1. Mr. Dong, have you learnt a lot about the city's past and _________ (现在)?

2. The whole area is _________ (控制) by our army.

3. The Eiffel Tower was _________ (设计) by Gustavo Eiffel.

4. We were _________ (鼓掌) our hands while the performers were marching across the park.

5. Although there was strong wind, the plane arrived the airport _________ (安全).