whose turn is it ________(be)on duty today?以及填空的原因

whose turn is it ________(be)on duty today?以及填空的原因 whose turn is it-------（be） on duty today whose turn is it ( ) on duty today 连词成句 turn it to is duty on my today be it is your turn to be on duty.（ ） l'm at school and it's my turn to be on duty today的意思是什么 whose on duty today改错 is on duty today 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's your turn to be on duty（） A、so it is B、so am I what is on duty today?