Because of the noise outside,Nancy had great difficulty __________________ (集中注意力在实验上).

题目

Because of the noise outside,Nancy had great difficulty __________________ (集中注意力在实验上).
concentrating /focusing herself on the experiment
concentrating on the experiment
in focusing on the experiment
标准答案有所差别.你们觉得herself要不要加,我翻译的习惯是逐字逐句,比较死板的,一般宾语我都不会补出来除非中文给出.以前做翻译和阅读的时候,有些文章喜欢把宾语补出来.

答案

不加比较好 加了感觉句子被截断了