第1个回答 2013-10-26
因为这里的keep是系动词,所以可以加healthy这个形容词。healthy 健康的、
keep healthy 是系动词+ 形容词的结构。
请参见iciba解释:
. V-LINK-ERG (使)保持 If someone keeps or is kept in a particular state, they remain in it.
To 【keep warm 】they burnt wood in a rusty oil barrel...
他们在一只生锈的油桶里烧木柴来保暖。本回答被网友采纳