phamthaophuong77
3/29/2024 3:11:20 AM
So many animals are now in danger of extinction. Then, a list of them is kept in a Red Book.
A. To keep many animals from danger of extinction, a list has been made in a Red Book.
B. So many animals are now in danger of extinction that a list of them is kept in a Red Book
C. So many animals are now in danger of extinction so that a list of them is kept in a Red Book
D. So many animals are now in danger of extinction as to keep a list of them in a Red Book.
