---Is it polite to speak and laugh loudly ______ ?---No, I don’t think so.A. in public B. at least C. on time
So far, three quarters of the work_____ by others, it’s your turn to do the rest of it.
—Can’t you stop _____ so much noise?—I’m sorry for giving you so much trouble.
The bike is the first present I got from my father.
-I believe we’ve met before. -No, I’ve never been here before.
-Where’s the old blue bag? - I’m not sure, but it ______ be thrown away. It be somewhere in the house. I saw it yesterday.