В№11 вставьте в предложение подходящий по смыслу модальный глагол: must, mustn’t, have to, can, can’t, may, should,shouldn`t needn’t, need и если можете, то объясните почему так, а не иначе. 1. the students use a calculator at the maths lesson. 2. my mother cook many delicious dishes. 3. you ask his advice. 4. people cross the road when the lights are red. 5. we sweep the floor anymore, we’ve bought a vacuum-cleaner. 6. children obey their parents. 7. she play chess, she doesn’t know the rules. 8. they have such big muscles! they be sportsmen.