Decide which answer is correct. have some more tea,please? a)must b)could c)need 2.the child is sleeping.we make a noise. a)mustn't b)shouldn't c)couldn't 3.thank you for coffe.now i go a)shouldn't b)can c)must 4.you let the child eat so many sweets. a)shouldn't b)should c)must you show me the way to the canteen? a)can b)shall c)need