题干
Last English class, Miss Li ______ students ______ eight groups.
A：divides; into
B：divided; into
C：divided; to
D：divides; to
答案(点此获取答案解析）
B
Last English class, Miss Li ______ students ______ eight groups.
A：divides; into
B：divided; into
C：divided; to
D：divides; to
（查阅资料可知：CuO+H2
Cu+H2O；CuO+CO