Ex. 20. Supply the correct articles or possessive pronouns
where necessary. ( Вставить в пропуски где можно )
Clanton&Sons are largest producers of medical instruments in Great Britain. A lot of companies require medical instruments of Clanton&Sons and demand for them is very big on markets of many countries.
As company’s order books are usually full they can’t always offer goods for immediate delivery.
That’s why discussion of delivery time is difficult problem attalks.
In April Sales Manager of Clanton&Sons Mr Zinger had
talks with Russian company which deals in medical equipment. company needed instruments urgently for large Moscow hospital. Mr Zinger contacted factory people and they said that they would manage to complete deliveries by end of month. That suited Buyers and they accepted delivery time.

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Clanton & Sons are the largest producers of medical instruments in Great Britain. A lot of companies require the medical instruments of Clanton & Sons, and the demand for them is very big in the markets of many countries.

As the company's order books are usually full, they can't always offer goods for immediate delivery. That's why the discussion of the delivery time is a difficult problem at talks.

In April, the Sales Manager of Clanton & Sons, Mr. Zinger, had talks with a Russian company that deals in medical equipment. The company needed instruments urgently for a large Moscow hospital. Mr. Zinger contacted the factory people, and they said that they would manage to complete the deliveries by the end of the month. That suited the buyers, and they accepted the delivery time.

Explanation:
1. "the" is used before "largest producers" because it refers to a specific group of producers - Clanton & Sons.
2. "the" is used before "medical instruments" because it refers to specific instruments - the ones produced by Clanton & Sons.
3. "the" is used before "markets" because it refers to specific markets - the ones in many countries.
4. "the" is used before "discussion" because it refers to a specific discussion - the one about the delivery time.
5. "the" is used before "delivery time" because it refers to a specific delivery time - the one being discussed.
6. "the" is used before "Sales Manager" because it refers to a specific Sales Manager - Mr. Zinger.
7. "the" is used before "Russian company" because it refers to a specific company - the one that deals in medical equipment.
8. "the" is used before "large Moscow hospital" because it refers to a specific hospital - the one that urgently needs the instruments.
9. "the" is used before "factory people" because it refers to specific people - the ones working at the factory.
10. "the" is used before "end of the month" because it refers to a specific end of the month - the one mentioned in the conversation.
11. "the" is used before "buyers" because it refers to specific buyers - the ones who accepted the delivery time.