It snowed for days on end. We thought it would never come to end!A_刷题宝

题干

It snowed for days on end. We thought it would never come to end!

A．an;an

B．an;/

C．/;an

D．/;/

上一题下一题 0.64难度单项选择更新时间:2012-12-30 10:57:58

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