Bài 1 I didn’t know the Newtons were going to bring two other people to dinner last night. If anyone else (bring) ________ an extra guest, we (have, not) ________ enough seats at the table. 5. A: I don’t understand anything in this class. It’s boring. And I’m getting a failing grade. B: If I (feel) ________ the way you do about it, I (drop) ________ the class as soon as possible. I’ve never understood why people build houses on flood plains. If we (have) ________ heavy rains in the spring, the river through my hometown (rise, always) ________ above its banks and (flood) ________ the low-lying areas of the town. Some houses have been flooded a half-dozen times in the last 20 years. 7. A: I’m exhausted, and we’re no closer to a solution to this problem after nine hours of work. B: Why don’t you go home and get some sleep, and I’ll keep working. If I (discover) ________ a solution before morning, I (call) ________ you immediately. I promise. A: I can’t believe that you haven’t finished that report. What will I use in the committee meeting at noon today? B: I’m really sorry. If I (know) ________ you needed it today, I (stay) ________ up all night last night and (finish) ________ it. BÀI 2 Many people were not satisfied with the leader after he took office. If they (know) ________ more about his planned economic program, they (vote, not) ________ for him. You made a lot of unnecessary mistakes in your composition. You (get) ________ a better grade if you (use) ________ either a dictionary or the spell checker on your computer to check your spelling. A: Oh, no! I’ve lost it! B: Lost what? A: The address for my job interview this afternoon. I wrote it on a match book. B: A match book! If you (write) ________ the address in your appointment book where it belongs, you (lose, not) ________ it. When are you going to get organized? A: Ann, (you, take) ________ that job if you (know) ________ that you had to work nights? B: No way. I had no idea I’d have to work the late night hours they’ve had me working. BÀI 3 6. Because Diane asked questions every time she didn't understand a problem, she has a good understanding of geometry now.  ___________________________________________________________ 7. A fallen tree was blocking the road, so we didn't arrive on time.  ___________________________________________________________ 8. Rita is exhausted today because she didn't get any sleep last night.  ___________________________________________________________ 9. Olga and Ivan weren't paying attention, so they didn't see the sign marking their exit from the highway.  ___________________________________________________________ 10. The doctor doesn't really care about his patients. He didn't explain the medical procedure to me before surgery. ___________________________________________________________