The_______action of the policemen saved the people in the house from being burnt.A、pro

Valves in the cylinder head of a diesel engine are opened by the direct action of the ____

The world－renowned director and action actor ______ the symposium on the development of ac

In devoting herself to the study of gorillas, Dian Fossey ______ on a course of action tha

The statute of limitations sets limits on how long you have to take legal action in ______

The president claimed that once he _______ himself to this course of action therewas

According to Dr William Cohn, the artificial heart______.A．mimics the action of the heart