选择(A,B,C,D)Only then -----(选择A,B,C,D) that he had lost a change of achieiving his deram.A.he realIzed.B.did he realIzed .C.did hE realize.D.he did realize.I have a rOoM of____ own.A.one's.B.me.C.my.D.mine.

选择(A,B,C,D)
Only then -----(选择A,B,C,D) that he had lost a change of achieiving his deram.A.he realIzed.B.did he realIzed .C.did hE realize.D.he did realize.
I have a rOoM of____ own.
A.one's.B.me.C.my.D.mine.

CC

C
C

问题一：C。only+状语位于句首，句子需要部分倒装，也就是把谓语动词中的be动词/助动词/情态动词（而非整个谓语动词）提至主语之前。
问题二：C。of one's own是固定短语。此处应使用形容词性物主代词。

恒有ax²+