Don’t disturb me. I_______ letters all morning and have written ten so far. A．have written B．am writ...
2022-12-10 18:26:04 137次 2015届福建省晋江市高一下学期期中考试英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Don’t disturb me. I_______ letters all morning and
have written ten so far.
A．have written B．am writing C．was writing D．have been
writing
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