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B passing
C to pass
D being passed 解题技巧:找出句子的主干,分清句子结构。 AA二、设置“陷阱”,利用定势思维。 3. I couldn’t help _______ that day for I was too busy.
A sweeping
B to sweep the floor
C swept the floor
D to sweeping the floor 4. Alone in a deserted house, he was so busy with his research work that he felt ____ loneliness.
A. nothing but
B. anything but
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