The mobile phone has influenced people's life a lot since it __________.
#36751
A
invents
B
invented
C
is invented
D
was invented
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I don’t know if my uncle_______. If he______, I will be very happy.
#38498
A
comes; will come
B
will come; will come
C
comes; comes
D
will come; comes
--Do you know when Jim     _________ ?---I don’t know. As soon as he      , I will call you.
#36676
A
will arrive ; arrives
B
arrives ; will arrive
C
will arrive ; will arrive
D
arrives ; arrives
Look! Who ___________ on the blackboard?
#41779
A
writes
B
is writing
C
are writing
D
writing