My uncle says that it’s his duty ________the patients.A. save B. to save C. saving
Don’t stop working _____ twelve.
It’s important to eat a _____ diet.
–Excuse me, _____ ?--It’s windy.
--_____ with you? --I have a score throat.
–Excuse me, Mr. He, are you free? Lin Tao and I want to tell you _____. –Sure.