Where is Mr. Smith —He ___ Guangzhou. He ____ there for a week.

Your book, Tommy——No, Mom, it’s my friend’s.——Remember to return it to _ __ name is on it.

Why don’t you wear your jogging shorts, mum—Well, my legs are too skinny, if you ______ know.

He is such a clever student _________ everyone likes.

Though having lived abroad for years, many Chinese still ______ the traditional customs.