如何使用 "yesterday" 造句

1. Around 30 people were rescued yesterday .
昨天大约有30人获救。
2. Lehman declined to comment yesterday .
雷曼昨日拒绝就此置评。
3. However , that was yesterday and today is another story .
不过那都是过去的事了,今天又是崭新的一天。
4. Chinese stocks touched a two-month high yesterday as the optimism over the country 's policy outlook showed few signs of abating .
中国股市昨触及2个月高点,人们对该国政策前景的乐观看法基本上未见减弱。
5. Yesterday we ate a lot !
昨天我们吃了很多!