The mobile phone has influenced people’s life a lot since it _______.
#36615
A
invents
B
invented
C
is invented
D
was invented
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 After school we went to the readingroom to do some reading,only to be told that it ________.(2012·安徽)
#63709
A
was decorated
B
had decorated
C
had been decorating
D
was being decorated
Not only I but also her teacher ___________ China many times.
#38413
A
has gone to
B
went to
C
has been to
D
had been to