1. After Columbus all his preparations, he his journey.  
finish/start
have finished/started
finished/had started
had finished/started
it/that

2. Mr Brown has been working in the film industry he took a part in his first film.
 
after
before
when
since
seen

3. We’ve seen such a big snake before.
 
ever
so far
lately
never
ago

4. My feet hurt. I all day.
 
am walking
will be walking
have been running
had run
to have

5. Ahmet’s parents are proud him because he graduated university with the first degree.
 
in/at
about/of
on/with
of/from
out/with ​

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