单项选择题
A.whole B.unit C.part D.total
A. It is said that ten people are killed in the accident. B. It was said that ten people were killed in the accident. C. It was said that ten people had been killed in the accident. D. It is said that ten people were killed in the accident.
A. When they bought another car. B. When he learned about the history of the drop-head. C. When he realized she knew so much about cars. D. When his wife spoke about the salesman.