С4 rewrite the sentences in the passive voice. 1.the surgeon will perform the operation tomorrow. 2. roentgen discovered x-rays to detect abnormalities inside the body. 3. they noticed the reduction in body temperature. 4.this investigator carried out a great number of experiments. 5.long, short and wide muscles form three basic groups. 6. you will give rne your notes in analomy. 7. he investigated the process of absorption. 8. next year this journal will publish some medical article.
