The Mystery of the Lost Necklace — Reading Comprehension

One rainy afternoon, Mia found a shiny necklace on the playground. She wondered, “Who left this here?” She asked her friend Leo, who always knew everything about the school.

“I saw a girl whose bag was open earlier,” Leo said. “Maybe it’s hers.” They decided to find the girl whomthey had seen near the swings.

They searched the area where the necklace was found and asked the teacher that was on duty. The teacher said, “I remember a student who was looking for something. She left just when the bell rang.”

Finally, they found Emma, the girl whose necklace was missing. “Thank you!” Emma said. “This necklace, which my grandma gave me, is very special.”

Mia smiled. She knew why it was important to return lost things.

Which relative pronoun completes the sentence: “I saw a girl ___ bag was open earlier.”

Which relative pronoun completes the sentence: “They found the girl ___ they had seen near the swings.”

Which relative adverb completes the sentence: “They searched the area ___ the necklace was found.”

Which relative pronoun completes the sentence: “This necklace, ___ my grandma gave me, is very special.”

What did Mia find on the playground?

Who was looking for the necklace?