问题
单项选择题
Do you know().
A．who writing is she to
B．who he is writing to
C．she is writing to whom
D．who is she writing to
答案
参考答案：B
解析：
do you know后面的从句应用陈述语句。故选B。
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Do you know().
A．who writing is she to
B．who he is writing to
C．she is writing to whom
D．who is she writing to
参考答案：B
解析：
do you know后面的从句应用陈述语句。故选B。