【题目】Located in the heart of Beijing, the Imperial Palace, also known as the Forbidden City, is a place worth ________.
A.to be visited
B.being visited
C.to visit
D.visiting
在线课程【答案】D
【解析】
考查固定短语。句意：坐落于北京城腹地，皇宫，又名紫禁城，是一个值得参观的地方。此处考查短语be worth doing 值得做，doing是主动形式但表被动意义，故选D项。