The mobile phone has influenced people’s life a lot since it      .
#39054
A
invents
B
invented
C
is invented
D
was invented
推荐题目
- Where is my raincoat? -I don't have the slightest idea.______ the room?
#36881
A
Did you check
B
Do you check
C
Have you checked
D
Are you checking
I ______ some bread and milk______ breakfast this morning.
#39676
A
have; for
B
had; for
C
has, with
D
had; with
We __________ in the same school since three years ago. 
#38230
A
study
B
were studying
C
will study
D
have studied