It’s good _______ your health ________.

I had never expected to get the job. I was really amazed when I _________ it.

I need help now! I have to fix a leaking pipe in my bathroom but I’m not sure ______to begin.

my God，I left my portable computer in the taxi!— ______. Let’s call the taxi company first．

I’m very hungry. Get me something to eat; anything ________ do.