11. Употребите подходящий по смыслу модальный глагол: 1. What (can/should) I do for you? 2. Where (may/should) I turn to get to the Metro station? 3. You (mustn’t/shouldn’t) cross the street on the red light. 4. Peter (can/must) watch TV from morning till night. 5. We (may/must) take care of our parents.