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I ________ to the library three times this week.
have gone
gone
go
went
She ________ her project yesterday.
has finished
finish
finished
finishes
They ________ their exams last month.
have taken
took
take
taking
We ________ our thesis statements yet.
didn't submit
not submitted
don't submit
haven't submitted
He ________ to the conference last year.
has attended
attending
attend
attended
I ________ my homework already.
completes
completed
have completed
completing
Maria ________ the article for the journal last week.
writing
wrote
writes
has written
You ________ this book before.
read
reading
reads
have read
They ________ a new student in their class this semester.
welcome
welcoming
have welcomed
welcomed
I ________ my friend at the café yesterday.
meeting
meet
met
have met
She ________ the presentation for the seminar.
preparing
prepared
has prepared
prepares
We ________ to the new campus before.
have visited
visited
visiting
visit
He ________ a lot of research for his thesis recently.
has conducted
conducts
conducted
conducting
They ________ their final projects last week.
submitting
submit
submitted
have submitted
I ________ the results of the experiment already.
analyzing
analyzed
analyze
have analyzed
She ________ a course on sustainable agriculture last semester.
taking
has taken
take
took
