重要

ago

🇬🇧/əˈɡəʊ/ 🇺🇸/əˈɡoʊ/📚 317 100 5中考高考

You use ago when you are referring to past time. if something happened one year ago, it is one year since it happened.^以前

He was killed a few days ago in a skiing accident.
他几天以前在一次滑雪事故中丧生。

They kicked off an hour ago.
他们是1小时前开球的。

ago 出现在下面的课文中: Lesson 075&76 Uncomfortable shoes ago 副词: 以前; Lesson 087&88 A car crash; Lesson 093&94 Our new neighbour; Lesson 119&120 A true story; Lesson 121&122 The man in a hat; Lesson 127&128 A famous actress

单词造句:

Fears are growing for the safety of a teenager who disappeared a week ago. ^{大家对那一周前失踪少年的安危越来越担忧。}
The company opened its doors for business a month ago. ^{该公司一个月前开业。}
She became a widow a year ago. ^{她一年前成了寡妇。}

before ^{prep.在...以前、adv.以前}	ago ^{adv.以前，从前}
She was slim before. ✓ ^{她以前很苗条。}	~~She was slim ago.~~ ^{ago的前面应该是一个时间的范围}