1.He ______ (be not) a teacher two years ago.
问题描述：
1.He ______ (be not) a teacher two years ago.
2.Three of my classmates ____ (have) friends in other countries.
答
1 wasn't 因为two years ago是过去时间状语,be应该用was或were；主语是三单形式,所以用wasn't
2 have 因为这里讲述一个事实,用一般现在时,主语是复数形式,所以用have