单词拼写：
1.Upon reaching the top of the mountain, a feeling of happiness and a sense of achievement will be ___________(体验).
2.During the test, he showed his __________ (非凡的) memory.
3.Only by hard work can we turn our dreams into _____________ (现实).
4.I was very ___________ (印象) by his performance.
5.He played a ____________ (中心的) figure in a play.
6.Last week, his parents went to London v______ Siberia.
7.We must seize every o___________ to practice our spoken English.
8.Every morning, newspapers are d___________ to each house in time in this area.
9.In that factory, the workshops are m_________ so that the boss can watch what is happening there.
10. He was c_________ of committing theft.