sweater are used---A.keep warm B.to keep warmly C.for keeping warm D.for keeping warmly
问题描述:
sweater are used---A.keep warm B.to keep warmly C.for keeping warm D.for keeping warmly
答
C
答
答案:C
be used to do sth,be used for doing sth 被用来做某事,keep 保持 后面接形容词,所以正确答案是C.