Unit 3-4

By the time the experiment ends tomorrow, the researchers ___ (collect) all the necessary data.

• will collect

• are collecting

• will have collected

• have collected

At this time next week, the psychologist ___ (present) her findings at the international conference.

• will have presented

• has presented

• will be presenting

• is presenting

By 2030, scientists ___ (develop) new methods to measure unconscious bias.

• develop

• will develop

• will have developed

• are developing

At 10 a.m. tomorrow, the participants ___ (take part) in the memory test.

• will take part

• are taking part

• will be taking part

• have been taking part

By the end of this semester, the students ___ (complete) three research projects.

• complete

• completed

• will have completed

• will be completing

When the professor arrived, the students ___ (already, discuss) the topic in small groups.

• had already discussed

• were already discussing

• already discussed

• had been already discussing

She was nervous because she ___ (never, present) her research in front of such a large audience before.

• never presented

• had never presented

• was never presenting

• has never presented

The researcher ___ (explain) the theory when the fire alarm suddenly rang.

• had explained

• was explaining

• explained

• had been explained

The experiment failed because the team ___ (not test) the equipment properly beforehand.

• didn’t test

• hadn’t tested

• wasn’t testing

• hadn’t been testing

He was exhausted because he ___ (analyze) data for eight hours without a break.

• analyzed

• had analyzed

• had been analyzing

• was analyzing