简答题
公共英语二级
2011-08-22
根据下列内容在题进行改错
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参考答案
暂无
答案解析
去掉of或of →that
本题的my mother has suddenly been ill作hear的宾语，句意完整，所以应改成用that引导的宾语从句，that可省略。
本题的my mother has suddenly been ill作hear的宾语，句意完整，所以应改成用that引导的宾语从句，that可省略。