Did the boys feel tired so they put out the fire and crept into the tent?
felt 为 feel 的过去式,变一般疑问句：Did + 主语 + 动词原形 + 其他
and 引导的并列句,所以他们扑灭火,钻进了帐篷.
Did the boys feel tired so they put out the fire and crept into the tent?
felt 为 feel 的过去式,变一般疑问句：Did + 主语 + 动词原形 + 其他
and 引导的并列句,所以他们扑灭火,钻进了帐篷.