E-mail, as well as telephones, ____ an important part in daily communication.
#85683
A
is playing
B
have played
C
are playing
D
play
推荐题目
He is the only one of the students who _______a winner of scholarship for three years.
#86306
A
is
B
are
C
have been
D
has been
It’s 8 o’clock. The students _________ an English class.
#43918
A
have
B
having
C
is having
D
are having
