3 Add the suffix“-ous” to the words given below. Then complete the sentences with the words thus formed.<p><span style="color:rgb(235,107,86);">1. dangerous 2. famous 3. nervous 4. spacious 5. harmonious</span></p><p>1 It is ______________ to ride a bike without wearing a helmet for protection.</p><p>2 The Potala Palace is a ______________Chinese cultural heritage site that</p><p>has attracted tourists from around the world.</p><p>3 Tian' anmen Square is very ______________covering an area of 440, 000 square</p><p>meters.，</p><p>4 Art and nature have formed one of the most ______________scenes in Europe.</p><p>5 The young man was very ______________when he did his first experiment with his tutor.</p>