下列对《氓》选段的理解和分析，不正确的一项是（ ）桑之未落，其叶沃若。于嗟鸠兮，无食桑葚。于嗟女兮，无与士耽。士之耽兮，犹可说也。女之耽兮，不可说也。桑之落矣，其黄而陨。自我徂尔，三岁食贫。淇水汤汤，渐车帷裳。女也不爽，士贰其行。士也罔极，二三其德。

The professor said he wouldn’t attend the opening ceremony ____.

I know Mr Brown； we ＿＿＿＿＿＿ to each other at an international conference

Why did you leave without a word of warning to Robert? —But what _______ otherwise? He never likes to listen to me.[ ]

_______ that he picked up French— It was in 2010 _______ he traveled in France