Some people waste a lot of food others haven't enough to eat.A. onceB. whenC. asD. while

发布时间：2020-08-17 04:39:51

Some people waste a lot of food      others haven't enough to eat.
A. once
B. when
C. as
D. while

网友回答

A. once
B. when
C. as
(答案→)D. while
解析：考查连词：A. once一旦B. when当…时候，C. as当…时候，正如，因为，D. while当…时候，虽然，然而，句意：一些人浪费粮食而有些人吃不饱。选D。
以上问题属网友观点，不代表本站立场，仅供参考！