Question

【题目】He can't go to school today his illness.
A.because
B.because of
C.but
D.and

Answer 1

【答案】B
【解析】句意：今天他因为生病不能去上学。because因为，是连词，后面接从句；because of因为，是介词短语，后面接名词、代词、动名词；but但是，是连词；and而且，是连词。此处表示原因，接名词短语his illness，故用介词短语because of。故选B。