30. Вставьте пропущенное слово 1) on2) in3) off4) of A visit Early the next afternoon, Peter dropped by for a visit. Its hot in here, he said, taking 30 ______his wet coat and throwing it over the back of a chair. His hair was wet, his face flushed. Dont go outside, whatever you do, he said. Its terrible outside. By the way, you havent31 ______Dave, have you? I ran a hand through my hair. It was a Friday afternoon, no class and I hadnt been out of my room all day. I worked hard translating a Greek poem. Dave stopped by last night, I said. Peter reached to the pocket of his overcoat and pulled out a pack. I32 ______you a sandwich since you werent at lunch. It was cream cheese and marmalade, I knew without looking. Peter was fanatical about them,but I didnt like them much. I unwrapped a corner of it and took a bite, pretended to33 ______it, then set it down on my desk. Have you talkedto Dave recently? I said. Just this morning. He drove me to the bank. Peter reached into his pocket again and took out a sheet of paper covered with numbers. Mechanically, I took the sheet of paper from him. It was covered with algebraic formulas, but at the moment it was frankly the last thing on my34 ______. I shook my head and was on the35 ______of handing it back when something stopped me. I wasnt very good at mathematics but I knew I should36 ______in solving this problem.