1. You should water these flowers every day to make them fresh.
→ These flowers
2. She wants to be a bird. She can fly everywhere.
→ If
3. She hán't visited her close friends' house for a week.
→ It is
4. She can manage to rank the first in her class because she reads lots of books.
→ As a result of
1 should be watered every day to be made fresh
2 she were a bird, she could fly everywhere
3 a week since she last visited her close friends' house
4 reading lots of books, she can manage to rank the first in her class
1.These flowers should be watered every day to make them fresh.
2.If she could be a bird, she would be able to fly everywhere.
3.It is a week since she last visited her close friends' house.
4.As a result of reading lots of books, she can manage to rank first in her class.