—Mr.Wang,Ihavetrouble

问题详情：

—Mr. Wang, I have trouble ____ the text.

            —Remember ____ it three times at least.

            A. to understand; reading                            B. understanding; reading

            C. understanding; to read                            D. to understand; to read

【回答】

C    have trouble doing sth. 做某事有困难/麻烦；remember to do sth. 记住做某事（事

                 情还未做）；remember doing sth. 记得做过某事（事情已做过）。由语境可知选C。

知识点：动词和动词短语

题型：选择题