He is ____our teacher; he is also our bestfriend.

The woods and thenewly dug river through the campus_____the beauty ofthis world-known university.[ ]

In 1969 ____took his biggest step away fromthe earth. Americans first walked on the moon.This is certainly just a____thought.

____ it be that is knocking at the door—It ______ be Father, but I’m not sure.

Little Jack got an A in the exam, and he worked harder and harder________.[ ]