It's said that they ________ a better life ever since they moved to the US.
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A
had enjoyed
B
have been enjoying
C
were enjoying
D
would enjoy
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When to go for the on-salary holiday          yet?
#63766
A
are not decided
B
have not been decided
C
is not being decided
D
has not been decided
 It’s reported that in the past 50 years around 80 percent of Beijing’s courtyard houses ______.
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A
had wiped out
B
have wiped out 
C
have been wiped out 
D
had been wiped out
 Tom ________ in the library every night over the last three months.(2011·北京)
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A
works
B
worked
C
has been working
D
had been working