Read the letter below and choose the most suitable word for each blank Dear Betty, I have just (11) ………………… your letter on a three-day trip to the beach. I wish I could go (12) ……………… you but I can’t. What a pity! Next week I’ll (13) ………………… an examination of English, Math and Chemistry, so I have to learn much more than usual (14) ………………… the exam. I hope I (15) ……………… go with you on another occasion. Thank you for your invitation. See you soon. John (11)....................