Question

【题目】She must stay at home to look after her _______ mother. She was _______ a week ago.
A.ill, sick
B.ill, ill
C.sick, sick
D.sick, illness

Answer 1

【答案】C
【解析】句意：她必须呆在家里照看她生病的妈妈。她一周前生的病。sick可以做表语或定语;ill只可以做表语。illness为名词形式。所以答案是C。