Ex.5.3
1. speaks
2. open
3. closes
4. teaches
5. meet
6. washes
7. costs
8. cost
9. boils
10. like, likes
Ex.5.4
1. Sue always arrives early.
2. I never go to the cinema.
3. Martina always works hard.
4. Children usually like chocolate.
5. Jackie always enjoys parties.
6. I often forget people's names.
7. Sam never watches TV.
8. We usually have dinner at 7.30.
9. Kate always wears nice clothes.
Ex.5.5
1. I usually watch TV in the evening.
2. I sometimes read in bed.
3. I often get up before 7 o'clock.
4. I rarely go to work / school by bus.
5. I never drink coffee in the morning.