【题目】 Please tell me the after service of the computer; I’m worried about a breakdown sometime．
A．there being B. it being
C. there is D. it is
在线课程【答案】A
【解析】
试题分析：考查动名词的复合结构：句意：请告诉我电脑的售后服务，我很担心有时会死机。介词about后面接动名词，there be句型中there是主语，所以用there being，there做动名词的逻辑主语，选A。