Due to the fact there is plenty to see, it would be better if you made a list before hand of exactly you want to go.
A. what; where
B. that ; where
C. that; which
D. which; when
网友回答
A. what; where
(答案→)B. that ; where
C. that; which
D. which; when
解析：考查名词性从句。第一空是一个同位语从句that there is plenty to see解释名词fact的内容；第二空是宾语从句，where exactly you want to go;句意：因为有很多地方可以参观，所以如果事先列出你想去的地方会比较好。故B正确。