Bài tập - Ngữ pháp - Liên từ chỉ thứ tự

1. Milk is produced ____farms from cows.

2. ___ , the cows are milked.

3. This _____ happens twice a day, using a milk machine.

4. _____, the milk is cooled and stored in large, refrigerated containers.

5. _____, the milk is collected and delivered to the dairy.

6. _____, at the diary, milk is made into various products including cheese, cream, butter and liquid milk for drinking.

7. Finally, these are _____to supermarkets and shops.