If you are about Australian cities just read the book written by Dr. Johnson.A. worried

问题补充：

If you are about Australian cities, just read the book written by Dr. Johnson.

A. worried

B. anxious

C. upset

D. curious

答案：

A. worried

B. anxious

C. upset

(答案→)D. curious

解析：句意，如果你对澳大利亚的城市很好奇，就读约翰逊博士写得这本书。Worried担心 anxious焦急的 upset心烦的 curious好奇的，根据题意，故选D。