单项选择题

My mother was busy ______ when I rang back home.

A. cook
B. to cook
C. cooking
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单项选择题
His grandfather ______ for ten years.
A. died
B. has died
C. has been dead
单项选择题
What did the man and his father think of the game
A. They liked the game very much.
B. The game wasn’t very exciting.
C. It was bad to leave at the half time.
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