228.Every day that they write in their journals puts them a step closer to fluency, eloquence, and command of language.

英語四級譯文:
他們每天在寫日記，這會讓他們表達更加流利和雄辯，距掌握語言更近了一步。

四級詞匯講解:
本句的主干是that puts them 。every day為時間狀語;that引導的是主語從句;a step closer to fluency, eloquence, and command of language為賓語them的補語:

command作名詞與介詞of連用意為“使用或控制某事物，掌握”。如:
He has a good command of English.他精通英語。

英語四級考點歸納:
常見的主語從句有以下幾種:

※ 由that引導。如:
That he hasn't called is odd.他沒來電話真是很奇怪。
It's certain that prices will go up.物價要上漲是肯定的。

※ 由連接代詞或連接副詞引導。如:
Why they left wasn't important.他們為什么離開并不重要。
It was uncertain whether she would come or not.她來不來還不確定。

※ 由關系代詞what或whatever引導。如:
What I want is a watch.我想要的是一塊手表。
Whatever you did was right.你做的一切都是對的。