I went to his home,but he wasn't in 的同义句

问题描述:

I went to his home,but he wasn't in 的同义句

I went to his home, but he was out.

I went to his home,but he was out.
I went to his home,but he was not at home.
be not in= be out = be not at home
这里题意应该是考察be not in和be out 这两个近义词词组的.