一I’m sure  Andrew will win the first prize in the final.一I think so.He  for it for months.
#101553
A
is preparing
B
was preparing
C
has been preparing
D
had been preparing
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My brother _______ the army two years ago.He has ______ for two years.
#102414
A
joined in ; joined
B
joined ; been a soldier
C
joined in ; become a soldier
D
joined; joined in
By the time I got to the theatre, the play __________ for ten minutes.
#103201
A
had been on
B
had begun
C
have been on
D
has begun