The time he has devoted in the past years _____________ the disabled is now thought to be ________ great value __________ him.
There ______ a map of China and some pictures on the wall.
______ my teacher Miss Li. Miss Li, ________ my sister Jane.
----Are there ten books on the desk? ----Yes, ________.
----________ is your friend? ----He is a policeman.
Miss Wang is _________ English teacher. ________ is a good teacher.