Relative clauses: choose the best relative pronoun

Question 1

I found the article _______ was recommended to us to complete the assignment.

Accepted Answer

that

Question 2

I used to know a girl _______ father worked for a mining company.

Accepted Answer

whose

Question 3

He participated in every event of the competition, _______ proved to be very exhausting.

Accepted Answer

which

Question 4

The final exam,__________ focuses on the last few weeks of work, is happening next week.

Accepted Answer

which

Question 5

The woman_________ teaches the class has a doctorate degree in art history.

Accepted Answer

who

Questions 5