the scientist needs to find some grounds on which to base hi

the scientist needs to find some grounds on which to base hi 定语从句介词提前比如find some grounds on which to base his argument.ba the professor can hardly find sufficient grounds on which to To prove the new theory,the scientist needs to find some gro which to base on 和on which to base区别 The professor could hardly find sufficient grounds on which on which to base my opinion ,which to base my opinion on 为什么 一》The professor could hardly find sufficient grounds ____ hi 英语翻译1.The scientist gave them some advice on how to make the 英语翻译1,The professor could hardly find sufficient grounds on the doctor needs operate on him 还是needs to operate? Some consideration needs to be given to the potential reason