Humans, __________ ancestors lived in caves, have developed complex societies over time.

I met a backpacker ___________ I shared stories with during my journey.

She bought a new dress, _________ looked perfect for the party.

I saw a traveller ___________ suitcase was lost at the airport.

I met a traveller ___________ told me about hidden places.

The Red Cross, __________ provides emergency aid around the world, has helped countless people in need.

The local market, __________ we plan to buy souvenirs, is open every day.

My friend __________ French is very good helps me practice speaking.

They visited a village _________ houses were damaged by the storm.

Wangari Maathai, __________ started the Green Belt Movement, helped plant many trees in Africa.

The market ___________ stalls were filled with fresh produce was lively.

The teacher __________ gives us long homework makes learning stressful.

The volcano, __________ can erupt violently, is formed by the movement of tectonic plates.

The friend __________ advice I followed helped me solve a big problem.

The Louvre Museum, _________ is located in Paris, is one of the most famous art galleries in the world.

The nature reserve, __________ has many walking paths, is a great place for nature lovers.

The exercise ____________ focuses on speaking helps me improve my conversation skills.

I received an email __________ confirmed my flight details for next week.

The souvenirs ___________ I brought back remind me of my adventures.

The tour guide ___________ we met shared great stories about the area.

A diet which includes fresh fruits and vegetables are good for your health.

The viewpoint whose we stopped to take photos offered a stunning view of the falls.

The police are talking to the man his car was stolen last night.

The Amazon River, that is in South America, has a huge rainforest around it.

Houses which roofs were made of straw were very common in the past.