问题
选择题
—A new study proves(证明) a walk every day is enough to keep people away from fat.
A．30-minute
B．30 minute’s
C．30-minutes
D．30 minutes’s
答案
答案：A
30-minute可作定语，30 minutes 可作定语，故选A
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—A new study proves(证明) a walk every day is enough to keep people away from fat.
A．30-minute
B．30 minute’s
C．30-minutes
D．30 minutes’s
答案：A
30-minute可作定语，30 minutes 可作定语，故选A