．How long is it ______ we last spent the holiday in the country together?A．until_刷题宝

题干

．How long is it ______ we last spent the holiday in the country together?

A．until

B．before

C．since

D．that

上一题下一题 0.85难度单项选择更新时间:2010-06-06 08:16:16

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