他们应该是坐五点的火车到成都 They're_____ _____ _____ _____Chengdu on the five o'clock train.翻译

问题描述:

他们应该是坐五点的火车到成都 They're_____ _____ _____ _____Chengdu on the five o'clock train.翻译
please help me to do it.

should to reach