问题补充:
单选题Herlittlesonfellofftheboatintothewaterduetohercarelessness.Themothercouldn’thelp_____becauseshecouldn’thelp_____hersonoutofthedanger.A.crying; to saveB.crying; savingC.to cry; to saveD.cry; saving
答案:
A解析考察help用法。help to do sth. 有助于做某事。couldn’t help doing 禁不住;不得不做某事。根据题意,由于她的粗心大意,她的小儿子从船上掉进水中了。因为她无法帮助他的儿子脱离危险,这位母亲禁不住哭了。故选A。