21.  But the only thing I can do isn't the worry.

22.  Laws are the only thing missing about mercy killing .

23.  The only thing we could do, as Mother said, was to lessen her pains.

24.  It is quite passimistic because the only thing to do is to wait to die.

25.  To them, life is more than meanless but suffering and death is the only thing and the last thing they want from the world.

26.  So, the only thing we should do is to study the courses the university offers to us.

27.  So now, the only thing we can do is to pray: never let the money be in the control of a greedy hand.