问题
选择题
—Is Simon at school now?.
— No. He is at home _____ his illness. [ ]
A . because
B . because of
C. for
D. when
答案
答案：B
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—Is Simon at school now?.
— No. He is at home _____ his illness. [ ]
A . because
B . because of
C. for
D. when
答案：B