【题目】His dream was ________ a photo studio that could transport people back to the past.
A. opening B. opened
C. to open D. open
在线课程【答案】C
【解析】考查非谓语动词作表语。句意：他的梦想是开办一个能够把人们带回过去的摄影工作室。当主语是aim, duty, hope, idea, mistake, plan, purpose, suggestion, goal, dream, ambition要用不定式作表语。故选C。