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r ( )3. There won’t be less pollution_____ more people use public transportation. A. but B. though C. unless D. if A 單元語法專練 C ( )4. You will see many aunts dancing together on the square if it_____in the evening. A. doesn’t rain B. rains C. will rain D. won’t rain A 單元語法專練 ( )5. This math question is_____ hard for me_____work out. A. so。 to