I want to know how long you will send it to my home?kown,how之间能不能_英语解答

I want to know how long you will send it to my home?kown,how之间能不能加that?这是什么从句?

人气：122 ℃　时间：2019-11-04 19:39:01

解答

能加that.它引导know的宾语从句.that可省略.如,He showed (that) we must be more quick.