ESL, Srednji nivo

'Back' Common Usages (3)

We have a back ......... of unfilled orders. We have to work overtime on the weekend in order to catch up.
I was trying to back my car ......... a tight parking spot when I accidentally hit that car. Luckily, it was a minor fender-bender so the repairs are minimal.
I was listening to her speak, but in the back of my ........., I was thinking about my first love, Kristin.
I was flat ......... my back last week. I got that terrible flu and I couldn't do anything, but rest, for days.
This job is physically demanding and you're going to have to put your back ......... it at times. Can you handle this kind of physical labor?
When I really needed someone to talk to, my so-called friend ......... her back on me. I didn't have anyone else to turn to and I was very upset as a result.
I have a lot of National Geographic's back .......... Do you want me to give you some? They are very interesting.
I'm really broke because I owe a lot of back ......... for this apartment. If I don't give it all to the landlord by the end of the month, he's going to evict me.
Three skiers were trapped in an avalanche because they decided to ski in the remote and dangerous back ......... part of the mountain range. Rescuers spent three hours digging them out of the packed snow.
The company ......... this product with a full warranty. If it doesn't work, you can bring it back and get a full refund. That's how confident we are in this product.