题目内容
_______can help you keep healthy.
A.Do exercise | B.Doing exercise | C.Do exercises | D.Doing exercises |
B
试题分析:句意:锻炼可以帮助你保持健康。动名词短语做主语,exercise为不可数名词意为“锻炼,运动”;故选B。
练习册系列答案
相关题目