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–Must I do the math exercise step by step? --Of course. You can never be careful with that. A. too B. enough C. so D. very 【查看更多】

 

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— Must I do the math exercise step by step?
— Of course. You can never be _____ careful with that.

[     ]

A. too
B. enough
C. so
D. very

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–Must I do the math exercise step by step?

　 --Of course. You can never be _______careful with that.

　 A. too　 B. enough　 C. so　 D. very

 

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