Have you found your bike?Yes,I __ it ten mintues __ A.have found;before B.found;ago

问题描述:

Have you found your bike?Yes,I __ it ten mintues __ A.have found;before B.found;ago

B理由根据时间状语的ten mintues判断,应该是和ago搭配的,那么ten minutes ago是一般过去时的状语;若是for ten minutes的话,后面就不能用ago,for ten minutes是现在完成时的状语。