E-mail, as well as telephones, ______ an important part in daily communication.
#86209
A
isbeingplayed
B
areplaying
C
haveplayed
D
isplaying
推荐题目
The police _____ searching for a tall dark man with a beard. Till now more than one person _____ suspected.
#86318
A
is; is
B
is; are
C
are; is
D
are; are
---- A number of voiunteers _____ willing to teach in China’s rural areas.----- Yes. The number _____ getting bigger and bigger.
#43464
A
is ; is
B
are; is
C
is; are
D
are; are
