4 Choose the correct answer.
1 Do we use plurals when there is only one thing? yes / no
2 Do we use plurals when we think of things as a group? yes/no/both
3 Which is correct? He's got a sheep./ He's got sheep./ both
4 Do we use a and an with specific singular nouns? yes / no
5 Do we use the with plural nouns when we are talking generally? yes / no
6 Which is correct? Today is 15th April. / Today is the 15th April. / both