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
The factory used 65 percent of the raw materials, the rest of which _____ saved for the other purpose.
#85916
A
is
B
are
C
was
D
were
Do you remember those days _______ we spent together along the seashore very happily?
#85945
A
when
B
where
C
which
D
what
The government has made laws to protect animals，so the number of the endangered animals ________ in recent years.
#85593
A
had grown
B
grew
C
has grown
D
is growing