据说他已经超过一百岁了。

People ___say he's over 100 years old.

“这里的食物很棒。”“人们都这么说。”

"The food here is amazing." "So they ___say."

日常锻炼是必要的，尽管有人可能会说这并不总是必须的。

Daily exercise is essential, although some might ___say it's not always necessary.