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
5)_______ 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.