英语翻译刚才电话欠费,打不出去了.什么时间放假?5月份的课什么时间开始?如果您知道,请告知,

Just now my cellphone was not available due to the shortage of fee.I would like to know:when is the start of the holiday?When will the course in May start?Please let me know if you have the information of it,thanks!