問題詳情

33. 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

參考答案

答案：A
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)