E-mail, as well as telephones, ______ an important part in daily communication.
#85713
A
is playing
B
have played
C
are playing
D
play
推荐题目
It’s said that ______ of the water around the world ______ polluted.
#43806
A
two third; has
B
two thirds; have
C
two third; are
D
two thirds; is
–Did you go to the show last night? –Yeah. Every boy and girl in the area_____invited.
#86100
A
were
B
have been
C
has been
D
was
—Does the old man know the museum very well? —No, this is the first time he __________ here.
#86004
A
was
B
came
C
has been
D
is coming