I don't think he can work out this problem alone (同义句转换）I don't t_英语解答

I don't think he can work out this problem alone (同义句转换）
I don't think he can work out this problem _______ ______.

人气：487 ℃　时间：2019-12-05 07:17:08

解答

I don't think he can work out this problem _by himself______ ______.解释句意：我觉得他不可能自己解决这个问题