-- Isn’t that Ann’s husband over there?-- No, it ________ be him. I’m sure he doesn’t wear glasses.
—Good morning,Bill. —Did you have any trouble _____ through the snow?
We hoped _____ being there would make the work easier.
—What are you going to do this afternoon? —I'm thinking of _____ to visit my aunt.
The boy is only five years old,but he is quite used _____ the telephone.
They enjoyed _____ a wonderful evening at the Country Club.