【1】become ill表示“变得生病了”；with a terrible disease表示“带有严重的疾病”；主语是第三人称单数，谓语动词要么变第三人称单数，要么用过去式；become的过去式是became；根据题意，故答案为She became ill with a terrible disease.。

【2】这里是how引导的特殊疑问句，主语是she，助动词用does；How does she do it?意思是“她是怎么做这件事的？”根据题意，故答案为How does she do it?

【3】can情态动词，后加动词原形；just仅仅，只，放在情态动词之后，实意动词之前；by doing sth.表示通过做……；say hello表示“说你好”！根据题意，故答案为She can just answer it by saying hello.。

【4】her daughter表示“她的女儿”；短语like to do sth.表示喜欢做某事；play the piano表示“弹钢琴”；Her daughter likes to play the piano.意思是“她的女儿喜欢弹钢琴”，主语是第三人称单数，谓语动词变第三人称单数。根据题意，故答案为Her daughter likes to play the piano.。

【5】Do you know+宾语从句；这里是who引导的宾语从句，be动词is后加形容词；disabled形容词，意思是“残疾的”；really修饰形容词，Do you know who is really disabled?意思是“你知道谁是真得残疾吗？”根题意，故答案为Do you know who is really disabled?