Traditional practices ... to maintain the cultural heritage of a community
was preserved
should be preserved
has been preserved
is preserved
These documents __________ (sign) by the manager yesterday.
were signed
New DNA molecules __________ (replicate) by DNA polymerase during cell division.
are replicated
The rules __________ (follow) by all employees in the company.
are followed
It ... that the flight will be delayed due to bad weather
confirmed
is confirmed
is being confirmed
will be confirmed
This cake ... at the bakery every day
is baking
bakes
is baked
was baked
the report ... and is ready for submission
will be completed
has been completed
completes
completed
The seminar on CRISPR - Cas9 will ... at this time tomorrow
be given
be being given
giving
given
The cake __________ (bake) in time for the party yesterday.
was baked
The tickets __________ (sell out) before we reached the theatre.
had been sold out
The house ... thoroughly before the guests arrived
had been cleaned
is cleaning
cleaned
will be cleaned
The presentation __________ (give) by the CEO at the upcoming conference.
will be given
My breakfast always (prepare) by my mother every morning
is always prepared
The road __________ (repair) by the construction crew at the moment.
is being repaired
our technology needs ... to stay competitive in the market
updating
update
updated
being updated
The project ... by a new leader next month
will have been mangaged
manages
will be managed
was managed
Our reservation just __________ (confirm) by the hotel.
has just been confirmed
The project ... by the team members in the meeting room now
is being discussed
discusses
was discussed
discussed
Your article was__________ (not publish) because it had not__________ (peer-review).
was not published ... had not been peer-reviewed
The car ... by the mechanic before it broke down again
were repaired
had been repaired
is repaired
will be repaired