As a leading scientist in maths,he once dived ________ itand contributed to his motherland.[ ]A. int

题目简介

As a leading scientist in maths,he once dived ________ itand contributed to his motherland.[ ]A. int

题目详情

As a leading scientist in maths,he once dived ________ it  and contributed to his motherland.    
[    ]
A. into            
B. to            
C. on            
D. at
题型:单选题难度:中档来源:同步题

答案

A

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