What chance of taking an earlier plane?
A. is there
B. there is
C. it is
D. is it
网友回答
(答案→)A. is there
B. there is
C. it is
D. is it
解析：此处chance 表示一种“可能性”，如果把该句变为肯定句，应是：There is (a) chance that we can take an earlier plane. 因此此句话应是there be句型，所以首先排除B、D两项；又因为该句是疑问句，语序应倒装，因此答案是A。