Question

【题目】Tom has trouble ________ Chinese and I often help him ________ it.

A. in understand; / B. to understand; with

C. understanding; about D. understanding; with

Answer 1

【答案】D

【解析】

句意：汤姆很难理解汉语，我经常帮助他理解它。

have trouble （in） doing sth做某事有困难，help sb with sth帮助某人做某事，故选D。