—Bad luck. My puter doesn’t work.
—Why not turn to John? No one can match him in our class when it repairing puters.
A. es to
B. leads to
C. contributes to
D. attends to
网友回答
(答案→)A. es to
B. leads to
C. contributes to
D. attends to
解析：本题考查动词短语。when it es to sth/dong sth中的“to”不是不定式中的to，而是作为介词，后面直接接名词或动名词的，表示“当谈及……”的意思。