Negate the sentences past simple

1 Pests such as green flies can  damage crops.

2 Both organic and non-organic food can   provide you with the vitamins you need.

3 Organic farmers don't use antibiotics to  treat infections.

4 Synthetic hormones are used by some farmers  to increase  the size of their animals.

5  Check the label to make sure the  produce is organic.

6 My school  replaced all soft drinks with  organic juice.

7 Genetically-modified crops can  grow much faster than organic ones.

8  Take care of yourself by eating  healthy food.

9 Try not to eat food that  contains many  chemicals.

+ значит правильно (на мой взгляд)
1) +
2) Is Auatralia called the unknown southern land?
3) Between what oceans is Australian continent located?
4) +
5) What is the largest river in Australia?
6) Is The Darling a tributary of the Murrey river?
7) +
8) What kind of animals do live in Australia?
9) Where does a koala live?
10) Australian english differents from the others, doen't it?
11) перед capital должно быть the - столица у Автралии одна, артикль должен быть определённым.
12) What are the most known cities in Australia?