3. Reading Read the text and mark the sentences T (True), F (False) or DS (Doesn't Say).

3. Reading

Read the text and mark the sentences T (True), F (False) or DS (Doesn't Say).

1. Changes in your mood can stop you from concentrating in class. - T
2. Teens need less than 8 hours of sleep each night. - F
3. Hormones affect teens' sleeping patterns. - T
4. Teens start lessons later in some schools. - T
5. You should have a drink with caffeine. - F

Ответ: 1-T, 2-F, 3-T, 4-T, 5-F