问题
选择题
_____ no doubt _____ the Amber Room is one of the wonders of the world.
A．It is; that
B．It is; whether
C．There is; that
D．There is; whether
答案
C
题目分析：句意：毫无疑问，琥珀宫是世界奇观之一。There is no doubt about sth./that 从句意为“毫无疑问……”。是固定句式故选C。
考点：