He _____ in this factory for 20 years already.
#36321
A
will work
B
works
C
has worked
D
is working
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Sam ______ coins since he was eleven years old, and now he has hundreds of them.
#42209
A
collected
B
had collected
C
has been collecting
D
had been collecting
Her uncle _________ to the factory .He will be back __________ an hour .
#41856
A
has gone, after
B
has been, in
C
has gone, in
D
has been, after
——How long has his father ________London?——For two weeks.
#40461
A
been to
B
gone to
C
been in
D
arrived in