After her son died in a car accident, the old lady would sit at the window, ______ out and _______ in thought.

Although it hasn’t been published, I think this book _____ by those who have learned only a little English and are ready to improve it.

Tom! I looked for you everywhere at the party last night.— Oh, I ________ to the party.

I don’t know how to use this machine.— It doesn’t matter. You can read the ________.

Is it all right if I sit here–______, sir. The seats are for elderly people only.