When they pass tne coin ,other students must keep their eyes ____

问题描述:

When they pass tne coin ,other students must keep their eyes ____
A、close B、closing C、closed D、closes

keep sb./sth.adj.表示的是“使...某人/某事保持...状态”,后面接形容词,A.close为动词,“关...”,B.closing为close的动名词,C.colsed就是形容词,译为“关闭的,关着的”D.closes为close的单三形式,A.B.D.均不符合,所以选C!