Which of the underlined words or phrases is incorrect? He still has much things to do before he can go on vacation- if h…

I'm so busy with my term paper. I haven't slept much ...... last Thursday.

I’m afraid you're late for dinner. All the food has ......... .

The man… .............. by a dog when he climbed over a wall and reached safely.

I just saw your brother in the hospital............. happened to him?

I have no idea how ............. to build a nest there.