E-mail, as well as telephones, _____ an important part in daily communication.
#85691
A
is playing
B
have played
C
are playing
D
played
推荐题目
Mail or gifts posted by companies to customers ________ advertising.
#86055
A
are another
B
is the other
C
are other
D
is another
What the science teacher does and says ____ of great importance to college students.
#85989
A
was
B
are
C
is
D
were
