Once lost,_____.
问题描述:
Once lost,_____.
A.it is hard to get such a chance again
B.one can never get such a chance again
C.to get such a chance is difficult
D.such a chance might never come again
WHY CHOOSE
答
once引导时间状语从句,主从句主语一致,切当从句谓语动词为be动词时才可省略从句中的主语和谓语动词,所以从句补全就是,Once the chance is lost,