参考答案:
1.I felt it a terrible thing that my mother should have to toil so endlessly.
2.Don't take it for granted that I will do everything for you.
3.They judged it better to put the meeting off.
4.We don't consider it possible to set back the clock of history.
5.It seemed certain that she would be the first ship home,but during the race she had a lot of bad luck.