— your brother Daniel in Class 1, Grade 7? —No, he’s in Class 2.
With the help of the Internet,news can _______ every corner of the world.
一Do you. Know _______ lady in blue? 一Yes. She is a teacher of a university.
It is______ nice of you to say so.
The experts think that India’s population may be _______than China’s ______ 2020.
It was snowing hard _______ we had to stay at home and watch TV.