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---- My baby has a heart trouble. ---- Did the doctor find it difficult ? A. in treating B. treating C. for treating D. to treat 【查看更多】

 

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---- My baby has a heart trouble.          ---- Did the doctor find it difficult ______ ?

     A. in treating          B. treating            C. for treating         D. to treat

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---- My baby has a heart trouble.          ---- Did the doctor find it difficult ______ ?

A．in treating

B．treating

C．for treating

D．to treat

 

查看答案和解析>>


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