—Tony said he could fix my bicycle but I really doubt it.—. He’s very good at this sort o

问题补充：

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

—. He’s very good at this sort of thing.

A. Don’t worry

B. I couldn’t agree more

C. Of course

D. A piece of cake

答案：

(答案→)A. Don’t worry

B. I couldn’t agree more

C. Of course

D. A piece of cake

解析：句意：--托尼说他能修好我的自行车,但我真的很怀疑。--不要担心。他很擅长这类事情。Don’t worry 不要担; I couldn’t agree more我完全同意。Of course当然； A piece of cake小菜一碟，轻松的事。第一个人怀疑托尼修不好他的自行车；第二个人说托尼擅长修自行车，应不用担心。故选A。