the advantages of the computer are that it is convenient and saving time.这句话对吗?it is 要不要改为they are ,saving time 要不要改为 time-saving?理由是什么?

分类: 作业答案 • 2022-07-06 10:03:11

问题描述：

the advantages of the computer are that it is convenient and saving time.这句话对吗?
it is 要不要改为they are ,saving time 要不要改为 time-saving?理由是什么?

答