单项选择题

A．He is not to blame.
B．He was responsible for the accident.
C．He will take all the responsibility.
D．He will be more careful next time.
<上一题 目录 下一题>
热门 试题

填空题
Scientists use ______ to test whether their genetic modification of a plant is successful.
填空题
The native animals that eat GM crops might be poisoned by ______.
相关试题