1 . Since he first started volunteering his car to the young people, Wilson has covered an __________ (astonish)64, 000 miles, and has had countless pleasant and often humorous conversations with the students he transports to and from school. (所给词的适当形式填空)

2 . As a child, sometimes social occasions were __________for me. I would feel __________when among strangers. After several years of volunteer work in community, such __________ disappeared. (embarrassed)（所给词的适当形式填空）

3 . They use kite photography, geophysical surveys and seismometers (地震仪) to make learning ________ (excite). （所给词的适当形式填空）

4 . Chinese Kungfu is a little bit ___________but Jane loves practicing it because she is ___________of walking alone home after work at night.(frighten). (所给词的适当形式填空)

5 . Tell some ________ (amuse)stories or talk about important and happy events in your friend's life such as a new nephew or a work promotion.(所给词的适当形式填空）

6 . As the princess grew up, the King got more ________ (worry) because he could not bear to see a princess dance for the common people.(所给词的适当形式填空）