Only when my son comes back( )go to bed and have a good sleepA.can I B.I can C.do I D.I will

问题描述:

Only when my son comes back( )go to bed and have a good sleep
A.can I B.I can C.do I D.I will

only+(时间)状语从句,位于句首,要倒装.
在根据句意,选择A