--Our guests are ing from Shanghai at 10:30.---Oh, I it 11:30.
A. think, is
B. thought, was
C. have thought, will be
D. had thought, would have been
网友回答
A. think, is
(答案→)B. thought, was
C. have thought, will be
D. had thought, would have been
解析：前句意为:我们的客人将于10:30从上海来, 后句说, 我原来认为是11:30,所以这里要用一般过去时.