The mobile phone has influenced people’s life a lot since it ______.
#36450
A
invents
B
invented
C
is invented
D
was invented
推荐题目
The plane ______ when we got to the airport.
#42861
A
had taken off
B
was taken off
C
will take off
D
is taking off
The school day ______ at half past seven every morning.
#41998
A
is begin
B
begins
C
is beginning
D
begin
