He has ____ letters to deal with. He has
问题:
He has ____ letters to deal with. He has to work from morning to night.
A.many of
B.a great deal of
C.masses of
D.the number of
He has ____ letters to deal with. He has to work from morning to night.
A.many of
B.a great deal of
C.masses of
D.the number of