not _____ it right ,he was encouraged to try again A did B done C to do D having done 选什么呢
问题描述:
not _____ it right ,he was encouraged to try again A did B done C to do D having done 选什么呢
答
D
he was encouraged to try again主句是一般过去
从句 选having done 表示发生在主句之前.