问题详情：
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
【回答】
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。
知识点：动词和动词短语
题型：选择题
