问题
选择题
He couldn’t take part in the final exam _______ his serious illness.
A.because
B.lead to
C.because of
D.when
答案
答案:C
题目分析:考查短语用法。AD项后面要接句子。BC项后面要接名词或者名词短语。Lead to导致,通向;Because of因为,由于;句意:由于严重的疾病,他不能参加最后的考试。故C正确。
点评:because与when后面要接句子。Lead to和because of后面要接短语或者名词。