一个英语问题Wal-Mart,which is one of the largest American supermar
一个英语问题
Wal-Mart,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
这是当时的一道高考题,选A.如果用keeping行吗?