James was sleepy, he stayed up late to finish his project.A．AsB．SinceC．Unles_刷题宝

题干

　　　James was sleepy, he stayed up late to finish his project.

A．As	B．Since
C．Unless	D．Although

上一题下一题 0.64难度单项选择更新时间:2014-03-19 03:23:49

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