2017学年度Book4Unit1Women of great achievementGrammar(第4课时)(50张)
2017学年度Book4Unit1Women of great achievementGrammar(第4课时)(50张)第5页

If the word group refers to different members, use a plural verb. If the word group is considered as a whole, use a singular verb. Here are some other nouns that can be used in the same way: class, family, the public, team, police, group, government, college, school, crowd, audience, etc.