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of the explanation of the teacher , we could finally solve the maths problem . A

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of the explanation of the teacher , we could finally solve the maths problem . A

_____ of the explanation of the teacher , we could finally solve the maths problem .

 

A. With the help of B. Under the help by

 

C. After the help of D. By the help with

 

试题答案

A

with the help of为固定搭配,意思是“在……的帮助下”,也可以用by the help of