We advise parents ________ their children at home alone in order to keep them away from danger. A. not leave B. not to leave C. leave D. to leave
答案:B advise sb.(not)to do sth.是固定搭配,意为“建议某人(不)做某事”,故排除A、C两项。由in order to keep them away from danger(为了让他们远离危险)可推知,此处意为“我们建议父母不要将他们的孩子独自留在家中”,故选B。