Sam is a little weak in English and he has ____________

试题详情及答案解析

Sam is a little weak in English and he has _______________ what the teacher says in class.

A．difficult to understand

B．difficult understanding

C．difficulty to understand

D．difficulty understanding

答案：D

试题分析：句意：山姆在英语方面有点弱，在课堂上老师说什么他理解很困难。分析：考查固定短语：have difficulty (in) doing sth.在做某方面有困难。因此选择第四项。故选D
考点：考查固定短语的辨析。