Since Tom ______ downloaded a virus into his computer, he can not open the file now.
—What did he say?—He asked _____ for the book.
It was the first time that Mary _____a play , so she felt a little nervous.
The old man walks_____ dog after _____ supper every day.
My suggestion is that he _________to see a doctor at once.
Helen had to shout ________above the sound of the music.