根据括号内的汉语提示，完成句子。
1. Jane's father speaks English well. He can make himself ________ (理解)
when he travels all over the world.
2. Some students may be nervous in big exams.
It's helpful for them to take a deep _________ (呼吸).
3. They were _________ (挖) holes to plant trees when we got to Yingtai Park.
4. The students in Class One all felt ________( 兴奋的, 激动的)
about the trip to Mount Lu.
5. In ________ (纪念) of the people who lost their lives in Yushu earthquake,
people place flowers beside a building destroyed.
6. In China, when people meet you for the first time,
he or she always __________ (握, 摇) hands with you warmly.