It is known to us all E-mail is______ ef
题型:选择题
问题:
It is known to us all E-mail is______ efficient than sending a fax.
A.much
B.many
C.more much
D.much more
It is known to us all E-mail is______ efficient than sending a fax.
A.much
B.many
C.more much
D.much more