4. The main reason that he developed liver cancer is because he ______ high levels of radiation. (expose)
举一反三
- The<br/>main reason that he developed liver cancer is because he ______ high levels<br/>of radiation. (expose)
- The main reason that he developed liver cancer (肝癌) is because he _____ high levels of radiation (辐射). (expose)
- The main reason that he developed liver cancer is because he had been _____to high levels of radiation. A: expressed B: exposed C: expended D: executed
- The main reason that he developed liver cancer (肝癌) is because he had been __________ to high levels of radiation (辐射). A: revealed B: damaged C: exposed D: covered
- Which of the following is a mixed construction? A: The reason that he is late is because he had a flat tire. B: Because he had a flat tire is the reason he is late. C: Why he is late is because he had a flat tire. D: All of the above.