She suggested -------(get)up early so that we could catch th

getting
suggest用法有如下：
suggest doing sth.建议做某事,如：
I suggested going home.(我建议回家)
suggest that...建议,注意：这是从句中用虚拟语气,即
从句谓语形式是“(should)+动词原型”,如：
I suggested that we should go home.(我建议我们回家)
suggest that...表明,如：
Opinion polls suggest that only 10% of the population trusts the government.(民意测验表明只有10%的人信任政府)
It is/was suggested that...人们建议说……
累死的用法还有：It is/was said that...据说；It is /was reported that...句报道； It is /was believed that...热门认为：It is/was thought that...人们认为...