Choose the correct relative pronoun to complete the sentence: 'The architect, _______ designed this building, won a prestigious award last month.'

Choose the most appropriate relative pronoun to complete the sentence: 'The student _______ notebook was left in the chemistry lab should report to the teacher's desk.'

Choose the correct relative pronoun to complete the sentence: 'The old library, _______ had been closed for renovations for over a year, finally reopened to the public.'

Choose the most appropriate relative pronoun to complete the sentence: "The scientist _______ the committee honored for her research has published several groundbreaking papers."

Choose the best relative pronoun to complete the sentence: 'The island _______ we visited last summer is famous for its crystal clear water and white sand.'

Choose the most appropriate relative pronoun to complete the sentence: 'The team managed to fix the vintage car, _______ was quite a difficult task given the lack of spare parts.'

Choose the correct relative pronoun to complete the sentence: 'The mountain hikers, all of _______ were exhausted, decided to set up camp before sunset.'

Choose the correct relative pronoun to complete the sentence: 'The laptop _______ screen is cracked belongs to the teacher.'

Choose the correct relative pronoun to complete the sentence: 'The concert hall, _______ was built in 1920, has amazing acoustics.'

Choose the correct relative pronoun to complete the sentence: "The mystery novel, _______ plot was filled with unexpected twists, became a bestseller within a week."