一、Complete the following sentences according to the Chinese.
一、按中文意思填空完成句子
1.When he arrived at the airport,Mr.Smith found that he_________(把飞机票忘在办公室了）.
2.I was late for the party last night.When I reached there all the guests________(都已走了）.
3.He didn't pay any attention to the lesson though I______(已经告诉他那很重要）.
4.____________(他在巴黎住了十年）before World II.
5.She told her mother about what________(那天早上发生的事）.