The mobile phone has influenced people's life a lot since it __________.
#36751
A
invents
B
invented
C
is invented
D
was invented
推荐题目
There ________ a wonderful English movie in the school hall next Sunday.
#41506
A
is going to
B
is going to be
C
has
D
have
Tom wants to be a singer and he_____ singing lessons to do it.
#39114
A
took
B
has taken
C
is taking
D
was taking.