Tea is a most popular drink,while coffee comes ( ) second.（）中填the还是不填?

Tea is a most popular drink,while coffee comes ( ) second.（）中填the还是不填?
According to recent reports,one of the rare animals,( ) crocodile,is in ( ) danger of dying out.
A.the ;the B.the;/ C./;/ D./;the
She touched her daughter gently ( ) shoulder.
A.in her B.on her C.in the D.on the