如何使用 "when" 造句

1. That was when mr murdoch started running out of patience .
就是从那时起,默多克开始逐渐失去耐心。
2. When will financial markets recover ?
金融市场何时能复苏?
3. That was when parents got involved .
当学生家长开始介入时。
4. Boeing officials declined to say exactly when .
波音高管拒绝透露具体交付时间。
5. This is akin to when the industrial revolution overwhelmed the agrarian age .
这和当时工业时代取代农业时代的过程是相似的。