问题补充:
----Has your uncle come back from England for a summer holiday?
----Yes. But he at home for only a few days. Now he has been back to London.
A. stayed
B. has stayed
C. had stayed
D. is staying
答案:
(答案→)A. stayed
B. has stayed
C. had stayed
D. is staying
解析:句意:你叔叔从英国回来过暑假了吗?--是,但是他呆在家里几天,现在已经回到伦敦了。从Now he has been back to London.,可知在家里待几天是过去的事情,用一般过去式,选A。