分类：教育/科学-学习帮助
问题：单项选择24.Hecan'tdecidewhichtochoos 
24. He can't decide which to choe _______ there is no difference between them.　　A. but　　　　　　 B. so　　　　　　　 C. because
回答：He can't decide which to choose _______ there is no difference between them.
　　　　　　　　 C. because  因为

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