It’s noon. The mail should be here soon. It( is usually delivered) sometime between noon and one o’clock

1. It’s noon. The mail should be here soon. It( is usually delivered) sometime between noon and one o’clock. 2. Only five of us(are working) in the laboratory yesterday when the explosion (occurred) luckily, no one (was hurted) 3. I was supposed to take a test yesterday, but I (did not admit) into the testing room because the examination (already began) 4. According to a recent survey, out if every dollar an American spends on food, thirty-six cents (spends) at restaurant. 5. I’m sorry I’m late. I( was held up) by the rushhour traffict. It (took) 30 minutes for me to get here instead of 15. 6. Before she graduated last May, Susan (already offered) a position with a law firm. 7. According to many scientist, solar energy (is used) extensively in the twenty first century. 8. I (have been studying) english here fore the last two month. My english (get) better, but I still find it difficult to understand lectures. 9. Right now a student trip to the planetarium (are organized) by Mrs. Hunt. You can sign up for it at her office. 10. He is a man whose name will go down in history. He (will never be forgotten) 11. When you (arrive) at the airport tomorrow, you (must be met) by a friend of mine. He (is wearing) a red shirt and blue jeans. He (is standing) near the main entrance. I’m sure you will be able to find him. 12. A: Yesterday (was) a terrible day. B: What ( happened) ? C: First, I (flunked) a test, or at least I think I did. Then I ( dropped) my books while I (was walking) across campus and they (fell) into a mud puddle. And finally, my bicycle (was stolen)