问题
选择题
With his eyes ________ the work attentively, he didn’t know what was happening outside.
A．focusing on
B．focused on
C．fixing on
D．to fix on
答案
答案：B
题目分析：考查with复合结构：句意：因为他的眼睛专注的看着工作，他不知道外面发生了什么。fix on和focus on的区别是，fix/focus one's eyes on,“盯住、把注意力聚焦在...上”因为with引导的伴随状语中，her eyes 做主语，所以用被动语态。选B。