assure,make sure,insure的用法有什么异同,请帮忙比较下.
问题描述：
assure,make sure,insure的用法有什么异同,请帮忙比较下.
答
(使.确信),如果事物做主语,一般多用于过去式.Invetigation assured us of the reliability of the plan.(向.保证).I can assure you of the availability of sources.也可用于人寿保险.you are assured of the life ...