I have no idea ____ the journalist could have got his in-formation from.[ ]

May Igo to the concert with you — I’mafraid not ______ you have a ticket, because I have only one.

If any man here does not agree with me, he should_____ his own plan for improving the living conditionsof these people.[ ]

My father left me with the feeling that I had to live for two people, and that if I did it well enough, 　　　　I could make up for the life he should have had.

I________all the exercises before my teacher collected the exercise books．