have an ache on还是 in hisleft leg 还是其他的什么,求解.

have an ache on还是 in hisleft leg 还是其他的什么,求解. I have an ache __ my arm i have an ache in my tooth(改为同义句） i ( )( )( )( ) i have an ache in my tooth(改为同义句） i ( )( )( )( ) I felt an ache in my heart have an illness 还是 have illness 还有 have influence on 还是 have an influence on? have influence in还是on 是have an effect on 还是have effect on? have infuence on 还是have an influence on have an interest in 还是have interest in sth. have an effect in he have an effect on的区别 是have interest on还是have interest in(介词） have an effect on have an neck on an artical on the book 还是 in the book 用have an important eftect on造句怎么用have an important eftect on 和have an important part in造句? 是be an expert in/at/on ,还是be expert in/at/on? 固定短语.对...感兴趣have interest in sth.还是have an interest in sth.