The father stayed up late, ______ a long letter to his son.A．to writeB．writingC．_刷题宝

题干

The father stayed up late, ______ a long letter to his son.

A．to write

B．writing

C．wrote

D．was writing

上一题下一题 0.85难度单项选择更新时间:2010-07-08 02:46:22

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