As I have a meeting at four, ten minutes _____ all that I can spare to talk with you.
A. are
B. was
C. is
D. were
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In those days John with his classmates _____ kept busy preparing for the exam.
A. is
B. are
C. was
D. were
____ your clothes?No, mine _____ hanging over there.
A. Is it, is
B. Are these, are
C. Is it, are
D. Are these, is
The Smith’s family, which ____ rather a large one, ____ very fond of their old houses.
A. were, were
B. was, was
C. were, was
D. was, were
逻辑回归方法用于( )问题
A. 回归
B. 分类
C. 据类
D. 关联分析