问题补充:
I don’t know the reason he’s come so late.
A. /
B. for which
C. why
D. all the above
答案:
A. /
B. for which
C. why
(答案→)D. all the above
解析:reason后面定语从句的引导词是why,that,for which或不用引导词。
如果觉得《I don’t know the reason he’s come so late.A. /B. for whichC. whyD. all the above》对你有帮助,请点赞、收藏,并留下你的观点哦!