III. Supply the correct form of the verbs in brackets: Present Tenses. 1. Listen! I (think) ……………… someone (knock) ……………… the door. 2. Up to the present, we (write) ……………… almost every lesson in the book. 3. The earth (circle) ……………… the sun once every 365 days. 4. I hate living in Seattle because it always (rain) ……………… 5. How many times you (see) ……………… him since he went to Edinburgh? 6. I’m sorry I can’t hear what you (say) ……………… because everybody (talk) ……………… so loudly. 7. No matter where you (go) …………………, the Internet (follow) ……………… you. 8. It (rain) ……………… all week. I hope it stops by Saturday because I want to go to the beach. 9. He is one of the hottest film stars. For the last few months, his face (be) ……………. on the covers of all the top movies. 10. John really (not, like) …………… traveling by bus. He only (travel) …………… by bus when he (have) ……………… no alternative. 11. Jim: “Do you want to come over for dinner tonight?” Denise: “Oh, I’m sorry, I can’t. I (go) ……………. to a movie tonight with some friends.” 12. Tomorrow some friends are coming over. I (not, see) ……………. them for ages and they (be, never) ……………… at my place before. 13. Frank, where have you been? We (wait) …………… for you since 1 p.m. 14. Tim: “What is that sound?” Nancy: “A car alarm (ring) ………………. somewhere down the street. It (drive) …………… me crazy – I wish it would stop! It (ring) ………………. for more than twenty minutes.” 15. In recent years, car manufactures (be) ………………. under pressure to invent a cheaper and better vehicle. IV. Supply the correct form of the verbs in brackets: Simple Past or Present Perfect 1. Nobody knows for certain what the origin of music (be) ………………. 2. Oh no, it’s raining and I (leave) ………………. my umbrella at home. 3. You ever (dream) ………………of living independently from your parents? 4. A: “You (buy) ………………. the tickets for your journey yet?” B: “Yes, I (go) ………………. to the station yesterday and (buy) ………………. the tickets.” 5. A: “Why don’t you want to play football with us this weekend?” B: “I (break) ………………. my leg.” 6. Air pollution (accompany) ………………. civilizations for years. 7. A: “You already (play) ………………. computer games?” B: “No, not yet. I only (buy) ………………. it yesterday and I (not, have) ………………. the time yet.” 8. When I first (meet) ………………. her, I (feel) ………………. so embarrassed, but her smile (help) ………………. me get back my confidence. 9. The progress of science and technology (change) ………………. people’s knowledge of universe. 10. A gifted scientist, Newton (discover) ………………. some of the most fundamental laws in the history of science.