【答案】that改为复数形式

those。例句：Successful are those who are willing to take pains.成功的人都是那些肯努力的人。

those例句

1.The oranges in the box are better than those on the shelf.

箱子的橙子比橱上的那些好。

2.Let's forget about those worries.

咱们忘掉那些烦恼的事吧。

3.It's time to put away those foolish ideas.

是该放弃那些愚蠢的想法了。