—I'm sure Andrew will win the first prize in the final.—I think so.He ________ for it for months.
#99752
A
is preparing
B
was preparing
C
had been preparing
D
has been preparing
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After living there for one year, they have ____ there. 
#102985
A
accustomed to working
B
accustomed to work
C
been accustomed to work
D
been accustomed to working
----Have you got your test result?    ----Not yet. The papers _____.
#100928
A
are still being corrected  
B
are not correcting
C
have already been corrected  
D
have not corrected