Вставьте предлоги, где это необходимо. 1. you sent … (1) us a bill … (2) the wrong goods. 2. i am interested … (3) purchasing … (4) a large quantity … (5) your simplex cameras. 3. she arrives half an hour late … (6) work every day. 4. i have not yet received a reply … (7) my letter. 5. it is now over seven months since we placed the above order … (8) you and we are still waiting …(9) the linton filing cabinets. 6. i am writing in connection … (10) your contract to clean our offices.

1 - 2 for 3 in 4 - 5 of 6 at 7 to 8 - 9 for 10 with

In our digital age, information is of the greatest value. Every day it is created, sold and, therefore, bought, forming a single sphere. However, not any information can make us interested - in the first place, it must be unique, and ideally - it must be new. A site where the same things are placed alike to that in dozens of others, will not manage to get to the top lines of the search engine rankings.
There are special programs designed to test any newly created or processed texts for their uniqueness. Whole sites as well as single pages may be checked in this way.
One of the programs designed to achieve this goal is the eTXT-Antiplagiat.

Young people very often uses these things.
Almost all use player. On the player we listen to music! Young people often takes a player in the subway, that would not be boring!

Microwave, is also useful. All the people in her warm up or cook food!

Drinks machines are everywhere! It is very convenient because you don't have to stand very much in the store!

The TV is in every home!
We watch movies, cartoons, news!

Absolutely all use laptops, almost everyone has them!
They can play games, work, watch TV series!

I'd like to buy a player and the laptop. On the player I would listen to music in the subway, the bus or while walking. The laptop I need to correspond with friends, do homework, watch TV series!