Ⅰ. Complete the sentences with the correct words from the box.
what where how why when

Ⅰ. 1. when 2. what 3. how 4. why 5. where

Ⅱ. Combine the two sentences into one, using object clauses.
1. I wonder. How can we use solar energy in our daily life?
→ I wonder .
2. Do you know? Why did the villagers build the karez system?
→ Do you know ?
3. Please tell me. Where can I find more information about the 24 Solar Terms?
→ Please tell me .
4. Scientists are studying. How does climate change affect the Dead Sea?
→ Scientists are studying .
5. Write about one thing you want to know about nature. Use an object clause in your sentence.
I am curious about .

Ⅱ. 1. I wonder how we can use solar energy in our daily life. 2. Do you know why the villagers built the karez system?
3. Please tell me where I can find more information about the 24 Solar Terms. 4. Scientists are studying how climate
change affects the Dead Sea. 5. One possible version: I am curious about how a tiny seed grows into a big tree.

Ⅲ. Read the passage and complete the blanks with the correct object clauses from the box. There is one extra option.
The Inuit's Wisdom

The Inuit people have lived in the Arctic for thousands of years. In this cold and challenging environment, they have learned to live well with nature.
Their most important lesson is 1. . This ancient wisdom, passed down from generation* to generation. It helps them find food. It also helps them build shelters* and stay warm in the cold weather.
For example, before starting a journey across the ice, the elders must decide 2. . They carefully check the thickness and colour of the ice because choosing the wrong time might cause the ice to break.
When a sudden snowstorm arrives, their experience tells them 3. . They know how to find or build a shelter. By doing this, they can protect themselves from the strong wind and keep warm.
They can even guess 4. just by watching the shape of the clouds, the direction* of the wind, and the actions of animals. This helps them prepare for hunting trips or avoid dangerous weather.
All this knowledge shows us a wonderful example of how humans can live well with nature by understanding and respecting its laws.
A. why some animals have thick fur
B. when it is safe to cross the frozen river
C. where the best places to find shelter are
D. how they could survive in such a cold place
E. what the weather will be like in the coming days

Ⅲ. 1. D 2. B 3. C 4. E