1 山姆在战争期间参军然后去了西部开始他的旅行和写作,并以‘马克吐温’为名发表了他的作品
2 山姆介绍了自己在1854的经历 在西部和中西部的一些城镇当印刷工
3商品陈列在开放式的架子与柜台上 但很遗憾的事实是抢劫仍时有发生
divide(祈使句 children 后边有逗号)
1 be used
2 inventing
3 find
1 moved moving
2 that
3 what
4 whom
5 on (拜访),at
6 By as
7 It was only 7 years old that he wrote his first poem