I know ____ you will go to Shanghai next Sunday.A.that B.this C.w_英语解答

I know ____ you will go to Shanghai next Sunday.
A.that B.this C.where D.who
新目标七年级下英语Unit 2单元测验题.麻烦说下原因.

人气：250 ℃　时间：2019-08-28 01:46:12

解答

that
后面是一个完整的句型.
i know that.
that=you will to to shanghai next sunday.
that可以省略.