As I TV my father sleep.A. watched; fellB. watched; was fallingC. was watching; fellD. w

问题补充：

As I TV, my father sleep.

A. watched; fell

B. watched; was falling

C. was watching; fell

D. was watching; was falling

答案：

A. watched; fell

B. watched; was falling

(答案→)C. was watching; fell

D. was watching; was falling

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