Объяснение:
A.
On 8th October I sent you an order for a
1. *set* of five computer programs which you had advertised in the October
2. *issue* of 'Computer World'.
Although your advertisement
3. *promised delivery* within 28 days, 6 weeks have now
4. *passed* and I have still not received the programs. You must have received my order as the £ 70 I paid by cheque has been
5. *deducted* from my bank account.
Would you please look into this
6. *matter* for me and send my order without
7. *further delay*.
B.
Two weeks ago I sent you a letter inquiring about my order of 8th of October for five computer programs which had not arrived.
I have received no
8. *reply* to my letter and the programs have still not been delivered. I must ask you, therefore, either to send my order immediately or to
9. *refund* my payment of £70.
I hope I shall not be
10. *obliged* to take this matter any further.
C.
Thank you for your letter of November 23rd.
We 11. *regret the delay* in
12. *despatching* your order for the five computer programs.
Unfortunately, we had problems with our new computerised system for
13. *dealing* with orders and, as a result, your order was
14. *mislaid*.
Время Past Perfect используется тогда, когда мы хотим сказать, что какое-либо действие произошло перед еще одним определённым действием в . Второе как раз характеризуется временем Past Simple.
1. Mrs Little saw right away that the infant clothes she had provided were unsuitable.
2. When, at the age of a month, he had gained only a third of an ounce, Mrs Little was so worried that she sent for the doctor.
3. One day when Mrs was washing out the bathtub after Mr Little had taken a bath, she lost a ring off her finger.
4. She was horrified to discover that it had fell down the drain.
5. George was annoyed that his hook idea hadn't worked.
6. "How was it down there?" asked Mr Little, who was always curious to know about place he had never been to.
7. "It was all right," said Stuart. But the truth was the drain had made him very slimy, and it was necessary for him to take a bath.
8. Everybody in the family thought he had been awfully good about the whole thing.
41. have never been
42. saw; coming
43. worked
44. will (можно shall поставить тоже)
45. had studied