--This question is a bit difficult.I think you will have problems ______ --Oh,yes.But let me have

问题描述:

--This question is a bit difficult.I think you will have problems ______ --Oh,yes.But let me have
--This question is a bit difficult.I think you will have problems ______
--Oh,yes.But let me have a try.
A.to work it out B.in working out it C.working it out D.work out it
不好意思 刚才没打全

C.working it out
语法结构是:have problem/trouble/difficulty doing sth