问题描述：
by the way,what have you been doing.
是宾语从句吗?what have you been doning 是什么现在完成时吗
by the way,what you have been doing.这样行吗
是宾语从句吗?what have you been doning 是什么现在完成时吗
by the way,what you have been doing.这样行吗
问题解答：
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