问题详情

if someone in Israel today needs a repairman in case of a power failure________.
A．they can have it fixed in no time
B．it"s no longer necessary to make an appointment
C．the appointment takes only half a day to make
D．they only have to wait half an hour at most此题为多项选择题。请帮忙给出正确答案和分析，谢谢！