Read the sentences below and encircle the collective nouns. 1. A swarm of locusts attacked a herd of cattle. 2. A flight of birds is always a beautiful sight. 3. They welcomed the chief guest with a bouquet of flowers. 4. As we drove down the countryside, we saw a flock of sheep grazing in the fields. 5. The gang of thieves has been arrested by the police. Please answer this question ​