例句與造句

1. She got her education from years of trial and error, her grandmother's teachings, work at a local organic nursery and a Texas A & M extension service class.
2. She got her education from years of trial and error, her grandmother's teachings, work at a local organic nursery and a Texas A & amp; M extension service class.
3. It's difficult to find extension service class in a sentence. 用extension service class造句挺難的