They haven't decided on the place to have the important meeting.(改为同义句）They haven't decided _______ have the important meeting.

They haven't decided on the place to have the important meeting.(改为同义句）They haven't decided _______ have the important meeting.
They haven't decided on the place to have the important meeting.(改为同义句）
They haven't decided _______ have the important meeting.

They haven't decided on the place to have the important meeting.(改为同义句）They haven't decided _______ have the important meeting.
They haven't decided on the place to have the important meeting.(改为同义句)
They haven't decided ____where to___ have the important meeting.

为你解答。
They haven't decided on the place to have the important meeting.（改为同义句）
They haven't decided （where to） have the important meeting.
他们还没决定在哪里开这个重要的会议。

应该是to,