Put the verb into the correct form, active or passive. 1. ‘Is your car still for sale?’ ‘No, I ……(sell) it. ’a: Is the house at the end of the street still for sale?b: No, it ……. (sell). 2. Sometimes mistakes …. . (make). It’s inevitable. 3. It’s not a good idea to leave your car unlocked. It……. (might / steal). 4. My bag has disappeared. It…. . (must / steal). 5. I can’t find my umbrella. Somebody ……. . (must / take) it by mistake. 6. It’s a serious problem. I don’t know how it…. . (can / solve). 7. We didn’t leave early enough. We (should / leave)…. . earlier. 8. Very often when I travel by plane, my flight …. . (delay). 9. A new bridge (build) ……across the river. Work started last year.