Passes are available for one month's (limit) ... travel within Europe

Supply the correct form of the word in brackets:
1. Passes are available for one month's (limit)____travel within Europe.
2. What (percent)____ of women return to work after having a baby?
3. All her life she had a (child)____trust in other people.
4. You feel so (help)____ because there's nothing you can do to make the child better.
5. Thank you for phoning when I was ill-it was very (think)___of you.