Mr White, the principal, has made a great _________ to the growth of the school.
–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.
He is finishing _____ a funny story. And he is thinking about _____ to Beijing for a vacation.
David has a stomachache. _____ .