问题
选择题
It was five o’clock in the afternoon _____ they climbed up to the top of the mountain.
A．since
B．when
C．That
D．until
答案
答案：B
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It was five o’clock in the afternoon _____ they climbed up to the top of the mountain.
A．since
B．when
C．That
D．until
答案：B