My father has gone to Weifang .He _(be) back in two days .be怎么变?为什么

My father has gone to Weifang .He _(be) back in two days .be怎么变?为什么
My father has gone to Weifang .He _(be) back in two days .be怎么变?为什么

My father has gone to Weifang .He _(be) back in two days .be怎么变?为什么
will be
IN是将来时的标志

will be

in two days 表示"两天以后",是将来时态.因此要用will be