in case造句

1.In case you should need any help, here's my number.万一你需要帮助的话，这是我的电话号码。

2.I have also taken out a life insurance policy on him just in case.为防万一，我还给他买了一份人寿保险。

3.I'll stay around in case you need me.我就待在这儿，也许你用得着我。