Sure! Here are the filled gaps based on the words provided:

### Practice 1: Fill each gap with a given word

1. Environmentalists strongly **support** measures to save these heritage trees.
2. Sustainable development goals will **suggest** to create a sustainable future for all.
3. When I was there last in the clean-up campaign, I felt a sense of **hesitation** about how much we could actually achieve.
4. I want to preserve logical... of our national parks.
5. Natural wonders are one of our country’s **possessions**.
6. When he reached the mountain **peak**, he found it covered with flags of climbers before him.
7. The **diversity** of the landscape is truly unique.
8. Our Central Highlands has charming sights: natural and wild... and magnificient forests.

### Practice 2: Fill each gap with one word/phrase given

1. at a height of
2. despite
3. most recently
4. in connection with
5. while
6. elevation
7. on the border of
8. collided with

### Practice 3: Complete the sentences

1. The Titanic sank off the coast of Ireland in its first voyage.
2. We'd like to congratulate you on having passed the final exams.
3. The landscape is so majestic that you can’t help but admire it.
4. The Gobi Desert is a very large desert which is located in China and Mongolia.
5. All tourists are amazed at the landscape of the Atacama Desert.
6. This mountain range stretches along the Adige River or the Piave River valley.
7. It’s easy to access most parts of this rainforest.
8. The firemen took 2 days to put out the fires in the forests nearby.

### Practice 4: Paraphrase these sentences

1. I have never explored any wonders of the nature before. – This is...
2. Special permission has been granted to Oelanda near the Amazon River. – You don’t...
3. Desertification and fires are reducing the area of the rainforest. – The threats...
4. Flora and fauna are both rich in this rainforest. – This rainforest is rich...
5. Please ask me to help during your performance. – Don’t...