There will be an exhibition of the _____ of dictionary in our city next week. We can learn more about the dictionary’s history there.
_________ is my teacher, Mr. Li.
----- _______ is your English teacher? ------Mrs. Wang.
----How old is your grandfather? ---- He is _______.
There ______ a book and some pens on the desk.
-----_________is the box? ------It’s white.