-- My brother fell off this bike and hurt his leg. --A. That's too badB. He may be too car

问题补充：

-- My brother fell off this bike and hurt his leg. --

A. Thats too bad

B. He may be too careles

C. He should be careful

D. Sorry to hear that

答案：

A. Thats too bad

B. He may be too careles

C. He should be careful

(答案→)D. Sorry to hear that

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