4 Complete the sentences with can, must and mustn't.

В этом задании необходимо заполнить предложения словами can, must или mustn't. 0 We must hurry up. The train is leaving in a moment. 1 You can watch TV after you do your homework. 2 Stop! You mustn't cross the road here. It's not safe. 3 Your bedroom is messy. You must tidy it this weekend. 4 It's raining. We must take an umbrella. 5 We can play football in the garden. Dad says it's OK.