16. The engine of the ship broke down and the bad weather _______ the helplessness of the crew at sea.
A. added to B. resulted from C. turned out D. made up
17. The research he devoted himself to ____ some important findings.
A. produce B. produced C. producing D. was produced
18. The little girl _________ go out alone at night.
A. dares not to B. dares not C. dare not to D. dare not