I had to tell the truth .___I

I had to tell the truth .___I i have had to tell the truth I had to tell you the truth,didn't 为什么用didn't I he had not the courage to tell her the truth. to tell the truth To tell you the truth,I have nothing to do_____it to tell you the truth to tell you the truth. i think ___right to tell him the truth I think ( )necessary to tell you the truth To tell you the truth ,I don't love you . I want to tell you the truth句子成分是什么