–What’s that noise?–Oh, I forgot to tell you. The new machine ______.
Maria has written two novels, both of _____ have been made into television series.
Mary is ill today. If she ______ ill, she _______ absent from school.
Mary had promised to give me a ticket for tomorrow. She failed, ______.
The policeman came up to the house, whose door was open, _____ there for a while, and went in.
The boy sat there quietly, ______ eyes were filled with tears.