Помогите, пожалуйста
Нужно вставить must, mustn't, have to, don't have to, can, can't (+ объясните, почему поставили)

1.Tell Mark and Tony they ______ stay in bed till 9 o'clock if they want. They don't have school today.
2.You _____ get a visa to visit Nepal. But I don't think it's very expensive.
3.I'm afraid you _______ take all your toys with you, girls. The car is too small.
4.The symptoms look very serious. You _____ stay in bed for five days and take these pills three times a day.
5.You _____ bring a friend if you like.
6.Fortunately we ______ take warm clothes with us. It's very hot in Greece at this time of the year.
7.Can't you see the sign, young man? You ____ drive so fast on this road! It's forbidden!
8.You ____ shout at me! I can hear you very well.

У всех этих слов свои значения. Ставим по смыслу предложения.

1.Tell Mark and Tony they may stay in bed till 9 o'clock if they want. They don't have school today.2.You must get a visa to visit Nepal. But I don't think it's very expensive.3.I'm afraid you can't take all your toys with you, girls. The car is too small.4.The symptoms look very serious. You have to stay in bed for five days and take these pills three times a day.5.You may bring a friend if you like.6.Fortunately we haven't to take warm clothes with us. It's very hot in Greece at this time of the year.7.Can't you see the sign, young man? You can't drive so fast on this road! It's forbidden!8.You don't have to shout at me! I can hear you very well.