下列各句均有一处错误，请找出并改正。

1. Nobody know where the post office is.         ___________________________________

2. The good news make all of us happy.            ___________________________________

3. I hope find a good job in a foreign company. ___________________________________

4. Aunt Li often tells us not play on the street.    ___________________________________

5. Not cross the road when the light is red.        ___________________________________