--- How many girls are there in your class?
--- ________ them __________ over twenty.
A. A number of, are B. The number of, are
C. A number of, is D. The number of, is
--- How many girls are there in your class?
--- ________ them __________ over twenty.
A. A number of, are B. The number of, are
C. A number of, is D. The number of, is
D