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(     )1. A. Yes, I haven't.
           B. No, never.
           C. It doesn't matter.
(     )2. A. His father had gone into the bathroom.
           B. It was eight o'clock.
           C. She got up too late.
(     )3. A. In 2007. 
           B. At school. 
           C. Tom Smith.
(     )4. A. Because it can make us save time.
           B. Because it was invented by an American.
           C. Because it is too small.
(     )5. A. A radio. 
           B. In a park. 
           C. I feel lonely.