Question

【题目】— Is Millie at school today?
— No. She's at home________ her illness.
A.because
B.because of
C.as a result
D.before

Answer 1

【答案】B
【解析】句意：—米莉今天在学校吗？—不，她在家里因为她的病。空前后之是因果关系，because连词，因为，后跟句子；because of因为，后跟名词或短语；as a result因此，结果，副词短语，as a result of后可跟名词或名词短语表示原因；before在前。所以选B。