小测验：选择正确的单词

1. long ago
   很久以前, 从前
   

1. My ancestors settled in this country a hundred years ago.
   我的先辈100年前到这个国家定居下来。
2. I went to see Boston play New York a few months ago.
   几个月前我去看过波士顿和纽约比赛。
3. The north wing of the house was added fifty years ago.
   那房子北面的厢房是50年前添建的。
4. Where were you a moment ago ? I was up stairs .
   刚才你在哪里?我在楼上。
5. That air has pressure is known long ago .
   空气有压力这是人们早就知道的。

　1个副词解释

　1个形容词解释