it is your turn to do a duty report 等于什么?

it is your turn to do a duty report 等于什么? it's your turn to do a duty report（改为同义句） it is your turn to be on duty.（ ） It's your turn to be on duty（） A、so it is B、so am I it's your turn to be on duty 不定式在句中做什么成分 It\'s your turn to be on duty这个句子中的动词不定式起什么作用? It’s your turn to be on duty._______ it is your turn to be on duty ,为什么用so it is,而不用so i am it is our duty to do a,to,my,it,report,is,turn,make.连词组句 It's your turn to do sth. whose turn is it ( ) on duty today