3. Uzupełnij zdania słowami z tabelki z zadania 2.

słowa z zadania 2: design, discovery, improve, invent, study, test

1. We need to________this new medicine on a small group of people before we start selling it.

2. I'm going to_________a machine which stops pollution. If I do, I'll be famous.

3. I want to_________computer science at university.

4. I need to__________my maths result, so I have to do the test again.​