—Tony said he could fix my bicycle but I really doubt it.—_ . He's good at that sort of

问题补充：

—Tony said he could fix my bicycle, but I really doubt it.

—_ . Hes good at that sort of thing.

A. Don worry

B. Of course

C. A piece of cake

D. I couldn agree more

答案：

(答案→)A. Don worry

B. Of course

C. A piece of cake

D. I couldn agree more

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