complete the second sentence using the word in brackets,so t

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  • You can ship the queue if you have a ticket.

    You have to stay if you don't' have a ticket .(have) 这句话我不是很确定,我理解为如果你有票的话可以排队前进.不知道是否正确.

    You should go if you are busy

    You do not have to stay behind if you are busy.(have)

    I need to ask for a doctor's certificate.

    Must not forget to get a doctor's certificate.(must)

    Is taking photos inside the gallery prohibited?

    Are we allowed taking photos inside the gallery?(allowed