Переделать слово cat в pen, меняя по одной букве

Answer: cat can pan pen         

1. the… chair on which you are sitting is not comfortable. 2. there is a… man waiting to see mr smith. 3. …the man whom mr smith telephoned this morning is here now. 4. i should like to find a… good book to read tonight. 5. …the book which i am reading now is a very good one. 6. the… book which gave me the greatest pleasure was “war and peace”.7. have you a… cigarette? 8. john threw away the… cigarette he was smoking. 9. peter put the… letter he had just received into his pocket. 10. i must write a… letter.  1. mr. and mrs. parker have three children. they have one girl and two boys. 2. the students in my class come from many countries. 3. women give birth to babies. 4. my money and my keys are in my pocket. 5. i know the names of many cities in the usa and canada. 6. i like to go to the parties because i like to meet and talk to people. 7. people carry their food on trays at a cafeteria. 8. we always use our dictionaries when we write compositions. 9. good evening, ladies  and gentlemen. 10. cowboys ride horses.

1.who is this man? 2.is this man your best friend? 3.who is your best friend? 4.this man is your friend, isn't he? 5.is this man your best friend, or another? 1.was it a problem for you? 2.what it was for you? 3.it was a problem for you, isn't it? 4.for what person it was a problem? 5.it was a problem for you or for her? 1.how did he swim last year? 2.who did swim better last year? 3.when did he swim better? 4.he swam better last year, isn't he? 5.he swam better last or this year?