-----Must we clean the classroom now?------No ,you _______.

As a student, you must ______ your teachers.

My uncle _________ drive a car two years ago. Now he drives very well. 

—I lost my pet pig, but it came back yesterday.—As the saying goes: an old horse knew the way.

China’s word，tuhao，which caught the attention of the dictionary’s editing team，__________ be in next year’s Oxford English Dictionary．