Barrack Obama __________ President of the United States since 2010.
#63757
A
became a
B
has become a
C
has turned
D
has been
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—Does he know how to work out the problem? —Yes, he has _______ a good idea to solve it.
#63779
A
caught up with
B
kept up with
C
come up with
D
put up with
—Look！Somebody ________ the sofa.—Well，it wasn't me.I didn't do it.(2012·江西)
#63772
A
is cleaning
B
was cleaning
C
has cleaned
D
had cleaned
It's said that they ________ a better life ever since they moved to the US.
#63764
A
had enjoyed
B
have been enjoying
C
were enjoying
D
would enjoy
In the last few years thousands of films ____ all over the world.
#63784
A
have produced
B
have been produced
C
are producing
D
are being produced
He complained that this was the third time he of the changes of the meeting date.
#63781
A
would be informed
B
was informed
C
has been informed
D
has been informed