问题
选择题
The children have six ______ classes every weekday.
A．forty–five–minute
B．forty-five –minutes
C．forty–five minute’s
D．forty-five –minutes’
答案
答案：A
考查数词。 数词与名词相结合作定语，加连字符，名词不变复数。故答案为A。
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