Complete the sentences with a MODAL VERB .
1. .............................. run fast to win the marathon.
2. My brother .................... use a towel when he goes to the gym for hygienic reasons.
3. We ...................... talk during the exam.
4. My father ................................ play guitar when he was 12 but now he .
5. You ................................ change you shirt It´s dirt.
6. We ............................ wear uniforms at work.
7. ......................... you help me, please?
8. You .......................... talk to her . She isn´t honest with you.
9. You .......................... mix black and white clothes in the washing machine.