Подставьте подходящий модальный глагол: must, mustn't, can, can't, could, needn't, should. 1) dogs fly 2)you wear a coat, it's quite warm. 3)students be quite when they take the test! 4)i go to scholl tomorrow because i am ill you open the window, please? 6) you drive fast. it's dangerous! 7) when he was fifteen he run fast but he can't now 8) she is a famous ballerina. she dace very well.