have a good effect on 中的a可以去掉吗

have a good effect on 中的a可以去掉吗 Does television have a bad or good effect on children? have a effect on与have a effect towards 区别 have effect on 和have a effect on 以及have an effect on what you have done will not have a good effect on your fame. 英语-能不能这样修改Good relationships have a far greater effect on ha effect of A on doing B 这样表达可以吗? have an ill effect on have a badly effect on 的区别 have a bad effect on还是have a bad effect to do you have a pen pal?中的a可以去掉吗? 英语翻译Relationships to classmates have a significant effect on have a impact on 和have an effect on用法上有什么区别?