1. to return it / John/to/the next day. / promised/ her
-> John promised to return it to her the next day.
2. It is/ a tradition/to wake up / for children/ early/ Christmas day./ on/
-> It is a tradition for children to wake up early on Christmas day.

3. considerable progress./ Our parents were/ all of us had made/ happy to hear
-> Our parents were happy to hear all of us had made considerable progress.

4. used to be taken / to /the zoo / by his parents / He/when/he/ small. /was
->He used to be taken to the zoo by his parents when he was small.
5. the/ is not / fast / lifestyle/as / the / In/so/ the countryside, / cities. / in/that
-> The lifestyle in the countryside is not as fast as that in the cities.