The twins study very hard every day, so they take the cake in the exam.

_________ our earth less polluted, or we will lose our home.

will you start your work aftergraduation —at home or abroad–Mm, it’s not been decided yetI ______ continue my study fora higher degree

_____ do you _____ the book —It’s very interesting.

Nowadays some hospitals refer to patients ________ name, not case number