__________ invited, I won’t go traveling withthem because I’m busy these days

Just as a book is often judged ______ by the quality and appearance of its cover, a person is judged immediately by his appearance

Mrs White, why are you standing here— I’m waiting for my son. He ______ back from school.

The old photo called up my memory of the small forest during my childhood, through which________a clear stream.

or your timely warning, we _________ into great trouble. —Well, you know we’re friends.