在浩瀚的文海中，中考试卷的每一个句子都蕴藏着无尽的可能。今朝，让我们一探究竟，一招定乾坤，揭开书信写作的神秘面纱。

1. Oblige me by informing that (of)

2. We are pleased to have this opportunity of reminding you that (of)

3. Your favour of the l0th is to (at) hand

4. Pursuant to your instructions of May 10

5. We feel it our duty to inform you that (of)

6. Your telegram is too short to be understood. Please repeat it more fully.

7. Enclosed please find

8. I regret very much that i did not have an opportunity to thank you personally for ...

9. I should be glad if you would inform me that (of)

10. thank you very much ( very, very much) (ever so much) (most sincerely) (indeed) (f rom the bottom of my heart).

11. Very many thanks for your letter of May 5

12. Kindly inform me that (of)

13. We take the liberty of announcing to you that

14. Your telegram is unintelligible; repeat more fully in plain language.

15. Confirming our last of the 10th June,---

16. Your cable is not clear, repeat, using the codes agreed upon (on).

17. Your favour of the 5th June is duly to hand

18. We are in receipt of your letter of the 7th July

19. We confirm the particulars of our enquiry by telephone of this morning

20. I love the way you say (put) things in your letters. you make even the smallest incident seem so interesting(important)(charming)(mysterious).

21. It is to be regretted that I must inform you that (of)

22. As particularized on the attached sheet,

23. I cannot tell you how much your letter delighted(relieved)(amused)(enchanted)me.

24. We are in receipt of yours of the 5th June, in reply to which we are pleased to state that

25. The present serves to acquaint you that

26. Your telegram is not signed with cipher as agreed on; confirm if correct.

27. your letters are so much fun (comfort) (entertainment) (company).

28. We have pleasure in enclosing herewith

29. In accordance with the instructions given (contained) in your favour of the 10th May

30. Your telegram just received is quite unintelligible.

31. We thank you very much for your inquiry of the l0th of May

32. We are indebted to your inquiry under date (of) the 10th May for

33. As at foot hereof,

34. I thank you for your inquiry of July 10

35. May we ask your attention to

36. As the drawings attached,

37. Be good enough to inform me that (of)

38. In reply to your letter of the 5th of May, I have to inform you that (of)

39. As stated below,

40. Your promised letter under date (of) the 5th June has just reached us

41. I will thank you to inform me that (of)

42. We had the pleasure of writing you last on the l0th of this month

43. We regret to receive your information re