题目内容
4. I a girl who(m) I was at school with twenty years ago. (keep)
我一直同20年前上学时的一位女同学保持着友谊。
4. have kept up a friendship with
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题目内容
4. I a girl who(m) I was at school with twenty years ago. (keep)
我一直同20年前上学时的一位女同学保持着友谊。
4. have kept up a friendship with