have a good effect on 中的a可以去掉吗

What you said ____ himA .have a good effect on B.has a good effect onC.have a good effect in D.has a good effect onD是 has a good effect in have a good effect on 中的a可以去掉吗 Does television have a bad or good effect on children? To lose themselves in the netbar( 网吧) _________on teenagers' future life.A.have a bad effect B.has a bad effectC.have a good effect D.has a good effect为什么不选a 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 -Did the medicine have a good ________?-Yes.He feels much better now.A.effect B.result C.time D.influence顺便告诉我effect与influence的区别. what you have done will not have a good effect on your fame.a good effect on 为什么没有用affect?急what you have done will not have _____your fameA a good effect on B affected为什么是A儿不用B呢？将来完成时不可以吗？ 英语-能不能这样修改Good relationships have a far greater effect on happiness than large raises in salary改成这样行吗：Good relationships have a far greater effect than large raises in salary on happiness --把on happiness 提到后面 money does have its good effect on the poor 【造句】have a oposite effect onRT have a bad effect on还是have a bad effect to 到底是have an bad effect还是have a bad effect?如题 have an ill effect on have a badly effect on 的区别 take effect和give effect to的区别eg：The new system of taxation will___next May.A.in effect B.take effect C.have an effect on D.give effect to Honey,have a good have a good summer have a good 好奇