-Must I fetch the book for you now?-No, you needn't. It's not __________. I can wait till tomorrow.
The safety belt saved the boy; otherwise, he _____ in the accident.
It was not until 1978_____ set free from the prison.
I _____ to go to see my former class teacher, but it was raining cats and dogs that night.
It makes Mother angry that her son always resists ______ what to and not to do.
The photo often reminds me of the scene _____ we were kept reading and writing after school.