ESL, Srednji nivo

'Back' Common Usages (4)

I will lend you some money, but you have to ......... me back by the end of the month because I need that money for rent.
I don't want to take the major highway. I want to take the back ......... because it's a more scenic route. It's a longer, less direct route, but I don't care.
Randy felt like he had his back against the ......... and had no other choice other than to defend himself. So, he shot the man in self-defense.
This area of the nation is very strange. Everything is somewhat back ......... here. For example, the residents don't believe in progress at all.
A few years ........., I worked as a sales consultant. Then, I went back to school and got a degree in Chemistry. I'm glad I made that decision.
Why do you ......... back to your teachers? When they tell you to do something, you do it! No whining or constant questioning!
What are you doing up? It's 3 am. You should ......... back to sleep.
Sally sent him the letter and he wrote ......... to her almost immediately. He was so happy to hear from her.
"Just ......... back in the chair and relax," the dentist said. "This won't hurt at all."
The accounting department forgot to give Ken his raise, so they had to back ......... the increase to September. He got a very large check afterwards.