Both of my sisters are teachers. One is a Chinese teacher, and ________ teaches English.
This kind of food _____ cool, clean and dry according to the instruction.
一Have you mended your shoes,Bob? 一Yes , I ______ them twenty minutes ago.
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.