题目内容
13. ―What can I do for you?
―Oh, I have some trouble_out this maths problem.
A.to work B.work C.working D.worked
13. C have some trouble doing sth.是固定用法,意思为"在做某 事方面有一些困难"。
练习册系列答案
相关题目
题目内容
13. ―What can I do for you?
―Oh, I have some trouble_out this maths problem.
A.to work B.work C.working D.worked
13. C have some trouble doing sth.是固定用法,意思为"在做某 事方面有一些困难"。