4) the project / our group / has / just / finished

Ответ (EN)

• 4. Our group has just finished the project. (Present Perfect Tense is used to describe a recent past action. 'Just' is an adverb indicating that the action happened a very short time ago, and it is placed between the auxiliary verb 'has' and the past participle 'finished'. 'Has' is used with the third person singular subject 'our group').

Перевод (RU)

• 4. Наша группа только что закончила проект.