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
While Jim ______the floor, someone ______at the door.
#40407
A
was sweeping, was knocking
B
was sweeping, knocked
C
swept ,was knocking
D
swept, knocked
So far, we           3000 English words.
#40151
A
learned
B
have learned
C
studied
D
learn
 If it _____________ tomorrow, we’ll have a picnic.
#40363
A
not rain
B
won’t rain
C
doesn’t rain
D
didn’t rain
I will tell my daughter as soon as she _________ back from work.
#36810
A
will come  
B
would come
C
comes  
D
came
--What a beautiful school!–Yes. Many trees ________ in our school every year.
#39740
A
plant
B
are planted
C
were planted
D
is planted