It is known to us all E-mail is______ efficient than sending a fax. 
#19933
A
much
B
many
C
more much
D
much more
推荐题目
This is a(n)  arrangement,not a permanent one.
#20316
A
frequent
B
temporary
C
actual
D
individual
I’m afraid I’m not _____ to help with the show next week.
#19296
A
available
B
dependable
C
valuable
D
convenient