Rewrite the following sentences into the passive voice. 1. It is your duty to make tea at eleven o'clock. 2. You don't nee to wind this watch. 3. Before they invited printing people had to write everything by hard. 4. The boss had his secretary type all these letters. (typed) 5. They employed the workers to repair their house.(had) 6. They say that elephants never forget. (forget) 7. I don't want the others think of me as a burden. (thought) 8. People thought that he killed his wife. (been) 9. I remember that someone gve me that shirt on my birthday. (remember) 10 It is your duty to o your homewwork before class-time. (you)