Walmart,which is one of the largest American supermarket chains,_
问题描述：
Walmart,which is one of the largest American supermarket chains,_
Walmart,which is one of the largest American supermarket chains,some of its store open 24 hours on Mondays through Saturdays.
A.keeps B.keep C.have kept D.had kept
选A为什么
答
Walmart, which is one of the largest American supermarket chains, keeps some of its store open 24 hours on Mondays through Saturdays.沃尔玛,美国最大的连锁超市,它的一些商店周一到星期六保持24小时开放.这...