I wonder what difficulty he had_________ (carry out)the plan

I wonder what difficulty he had_________ (carry out)the plan What I need to do is carry out the plan as arranged.为什么不是car carry out the plan secretly The young man,determined to carry out his plan.和I walked out the plan—,what is to be done now is how to carry it out Noting can prevent us from carrying out the plan 为什么carry要加i they are determined to carry out the plan,_______ difficulti They________ (carry out) the plan since they made it was the plan difficult to carry out,it was dangerous i wonder what he wants to do I wonder what he want to do I wonder what he needs is courage