In winter people usually keep flowers in their houses to them from the cold
A.produce
B.provide
C.protect
D.plant
网友回答
C解析试题分析：
A. produce生产
B. provide提供
C. protect 保护
D. plant种植；句意：冬天人们常常把花放在房子里防止它们被冻死。protect sb from sth/doing sth保护某人或是物免受…，故选C
考点：protect sb from sth/doing sth的固定结构
点评：动词的固定句型是学好英语非常重要的一环，考试时多数出现在单项选择和完形填空中。常考的如stop sb from doing sth ,prevent sb from doing sth,keep sb from doing sth 等这些句型要记忆在心。