1.I'm sad because I flunked my English exam.(美国比较通俗和随意的说法.如果是写在学校作业上可以在以下二选一)
I'm sad because I failed my English exam.
I'm said because I didn't pass my English exam.
2.I'm excited because I'm about to go on a trip.
英语翻译 1.我难过是因为我英语考砸了 2.我兴奋是因为我准备要去旅行