6 Modals Choose the correct answer A, B or C.1 You buy the tickets online - it's cheaper.A have B should C might2 It's Sunday, so Maria — to get up early.A can't B mustn't C doesn't have3 Mum, I stay at Jenny's tonight, please?A canB mustC should4 You send text messages during the lesson!A mustn't B don't have to5 I find out what time the castle opens Can youhelp me?A shouldn't B mustn't6 The weather be really good tomorrow, I think.A must B shouldC can​