It’s reported that in the past 50 years around 80 percent of Beijing’s courtyard houses ______.
#63767
A
had wiped out
B
have wiped out
C
have been wiped out
D
had been wiped out
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Barrack Obama __________ President of the United States since 2010.
#63757
A
became a
B
has become a
C
has turned
D
has been
My study of biology has ______ much of my spare time, but it has given me a great deal of enjoyment.
#63787
A
taken off
B
taken down
C
taken up
D
taken away
—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
Mary said that she ___________ London．
#63780
A
has never gone to
B
has never been ,to
C
had never been to
D
had never gone to
---I’m very sorry to have ___ you with so many questions. ---It doesn’t matter.
#63778
A
forbidden
B
excused
C
impressed
D
bothered