11. How many parts are there in the letter requesting a service?

• 4

12. What should be given in the “opening part” of the letter requesting information?

• Tell how you heard about the reader

13. Какой фразой в США заканчивают письмо к другу?

• Best wishes
• Yours truly

14. Где обычно пишется дата в деловом письме?

• В правом верхнем углу

15. “We would like to have your answer by 6 of October”. Which part of the letter does this expression refer to?

• action