Make these sentences less exact. Do it in a different way each time. 1 She's 20. - She`s 20, more or less

2 I'm 75 kilos

3 She's 1 metre 70

4 They're both 30

1. Разделительный вопрос к предложению: Giant pandas are members of the bear family, and they are mammals.
Giant pandas are members of the bear family, aren't they?
2. Вопрос к подлежащему к предложению: Giant pandas must eat a lot of bamboo everyday to get enough nourishment.
Who must eat a lot of bamboo everyday to get enough nourishment?
3. Альтернативный вопрос к предложению: Female giant pandas usually give birth to twins. 
Do female giant pandas usually give birth to twins or triplets (тройня)?
4. Специальный вопрос к предложению: It (baby giant panda) starts to learn how to walk when it is about three or four months old. 
When does it (baby giant panda) start to learn how to walk?
5. Общий вопрос к предложению: Mother giant pandas look after their babies for about 18 months.
Do mother giant pandas look after their babies for about 18 months?

1. If I had known about the film, I would have watched it. 2. If she didn’t call me, I would not know about your arrival. 3. If he had let me know about the meeting yesterday, I would have come. 4. If I were you, I would have seen them off. 5. You wouldn’t have had so many accidents if you had driven more carefully. 6. If mum had been in, she would have answered the phone. 8. If you passed your examination, I would give you a present. 9. I wouldn’t have taken the dictionary home if I had known that it was the only one you had. 10. If he knew that the road was dangerous he would not drive. 11. I would have helped them if I were you. 12. He would be the best student in the group if he worked harder.