You ___ obey your parents., must, can, ___ I come in, please?, must, may, She ___ swim very well., can, muas, We ___ respect our teachers, should, may, You ___ not tell lies, should, shouldnot, Students ___ wear their school uniform., must, may, You ___ take an umbrella. It is raining., should, should not, ___ you help me with my homework?, can, must, ___ you speak English?, must, can, All students ___ follow the school rules., must, may, She ___ solve this problem easily., may, can, You ___ touch the electric wires., must, must not, You ___ study regularly., should, can, They ___ win the match if they practise hard., can, can not, You ___ wear a helmet while riding a bike., should, can

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