系安全带挽救了许多生命。

Wearing seat belts has ___saved many lives.

他掉进河里，但他的朋友救了他，使他免于溺水。

He fell in the river but his friend ___saved him from drowning.

他不得不借钱来挽救他的生意。

He had to borrow money to ___save his business.