——Watch! ——I ____ but ____ I ____ anything unusual.
— Isn’t that Ann’s husband over there ? — No, it _____ be him — I’m sure he doesn’t wear glasses.
— What's the matter with Peter?— He was seen crying when he was coming out of the teacher’s office. He ____ by the teacher.
They must have been enjoying themselves there, otherwise they _______ so long.
If I ever decided to quit, then nothing my parents or my coaches_____ say_____ change my mind. It's my life, not theirs.
His failure in the experiment suggested that he _______ his teacher’s proper instructions.