7.Put the following into the passive, mentioning the agent where necessary. 1.You can’t wash this dress.(it / dry-clean).2. They discuss unimportant things.(a lot of time/waste). 3. They will type your letters in a minute.(the letters/ type/ in the other office) 4. I can’t play now.(my piano/ repair/ at the moment) 5. The guests ate other sandwiches, and drank all the lemonade.( nothing/ leave). 6. I can’t find my parcel anywhere.(it/ post?) 7. I have no information.(I/ inform/ of the change of the plan).8.I’m afraid we have sold all our copies but we have ordered more.(more/ order).9. The letter can’t be mailed.(it/ not stamp). 10. I would like to meet her mother.(I/ not introduce/ yet).

Here are the sentences transformed into the passive voice, including the agents where necessary: 1. This dress can't be washed; it needs to be dry-cleaned. 2. Unimportant things are discussed a lot of the time; time is wasted. 3. Your letters will be typed in a minute in the other office. 4. I can't play now; my piano is being repaired at the moment. 5. Nothing was left by the guests; they ate other sandwiches and drank all the lemonade. 6. My parcel can't be found anywhere; it must have been posted. 7. I have no information; I need to be informed of the change of the plan. 8. All our copies have been sold, but more have been ordered. 9. The letter can't be mailed; it has not been stamped. 10. I would like to meet her mother; I have not been introduced to her yet.