---Have you seen Bill recently? --- Oh, no! Nobody knows ______ he is! Everyone is looking for him.
—Excuse me, is this ________ new pencil sharpener? —Yes, it’s ________. He bought it just now.
—Look! There is a monkey eating ________ apple in the tree. —En, ________ monkey is very cute.
Alice, do you know tomorrow?
There a great concert in the theater next Saturday evening.
—Alan! Why are you so late? —Sorry! When I home, I met one of my old friends.