—Have you been to the United States?—Yes, only once. I ________ there only for seven days.A．stayedB．

题目简介

—Have you been to the United States?
—Yes, only once. I ________ there only for seven days.

A．stayed

B．had stayed

C．have stayed

D．was staying

题型：单选题难度：中档来源：不详

考查动词的时态。据句子 Have you been to the United States? Yes, only once.我去过美国，但已经回来，所以I ________ there only for seven days是过去的事，所以应用一般过去时态。选A。