strange reaction of animals

例句：

1. 1. The strange noise woke us up in the middle of the night.
   半夜里，那奇怪的声音把我们吵醒了。
2. 2.She found it strange that he would leave without telling her.
   她觉得很奇怪，他竟然不告诉她就离开了。
3. 3.The strange behavior of the animals made me wonder what was going on.
   动物奇怪的行为让我好奇在发生什么。