СООЧНО!!! 4 и 5 задание плиз помогите!!!

4: 1. It's time to manage holidays with adventure spirit.
2. First think, then say.
3. The most of teachers in our school are women.
4. Thomas is a smart and considerate man, but too serious.
5. If you want adventures and incredible emotions, then you should go to Baikal.
5: 2. them
3. it
4. a pair of
5. a pair of
6. are
7. them