1樓：網友
如樓主所說。
可加也可不加。
so that引導結果狀語從句，要求從句中的成分是完整的。由於understand既可做及物動詞，也可做不及物動詞詞，故從句是個完整的句子。如：
you are so young that you can not understand.
你太年輕了所以你沒法懂得。
2樓：網友
有沒有應該都行。
及物動詞 vt. [w]
1.理解；懂；熟諳[+wh-]
does he understand japanese?
他懂日文嗎？
do you understand how to operate the machine?
你懂得如何操作這部機器嗎？
i don't understand what you're talking about.
我不明白你在說什麼。
2.認識到；瞭解[+wh-][that)]
3.據聞，獲悉[+(that)][o2]
i understand her to be a distant relation of his.
據我瞭解，她是他的一位遠親。
i understand that you will be moving here soon.
我聽說你就要搬到這兒來住了。
4.認為；推斷[+(that)]
據我們瞭解，你不贊成我們的想法。
5.將。理解為[+(that)][o2]
they understand literature as language well used.
他們把文學解釋為用得好的語言。
6.將。看作不言自明；省略[h]
in this sentence the verb is understood.
在這個句子裡，動詞省略了。
不及物動詞 vi. [w]
1.理解；懂得。
now i understand.
現在我懂了。
2.熟悉[(+about)]
he understands about diplomatic etiquette.
他熟知外交禮節。
3樓：網友
不加 省略了 意思已經完整 如果非要加也不能說錯。
1.he spoke loudly,but i still couldn't hear him用though改寫句子
4樓：一刻永遠
he spoke loudly,i still couldn't hear him.
will erin return from australia?
will fly to italy next week.
一刻永遠523為你解答，祝你學習進步~~~如果你認可我的回答，請及時點選【採納為滿意回答】按鈕~~手機提問者在客戶端上評價點「滿意」即可~~~你的採納是我前進的動力~~~
如還有新的問題，請另外向我求助，答題不易，敬請諒解~~
5樓：無所不覽
1、he spoke loudly, but i still couldn't hear him. （用though改寫句子）
though he spoke loudly, i still couldn't hear him.
2、eric will return from australia in a few days. （對in a few days提問 ）
when will eric return from australia?
3、 flew to italy a week ago. （用next week改寫）
mr. wang will fly to italy next week.
he+sat_in+his+seat+thinking+why+he+was+so+unlucky怎麼填
6樓：
摘要。第6題 mad up his mindhe+sat_in+his+seat+thinking+why+he+was+so+unlucky怎麼填。
第6題。第十題。
第十一題。謝謝。
第6題 mad up his mind
打定主意下定決心。
第十一題serious
第十題silent