2011成人英語三級口語：我不知道不能這樣做

I didn’t know I wasn’t supposed to.
    我不知道不能這樣做。
    今天的幾個(gè)句子是有關(guān)敘述、詢問理由的：
    1.What makes you think that? 你怎么會(huì)那么想呢?
    2.You seem especially happy today. 你今天顯得特別高興。
    3.Why do you want to do that? 你為什么想做那件事?
    4.How did Edison make the light bulb? 愛迪生是怎樣發(fā)明燈泡的呢?