【题目】George _____too far. His coffee is still warm.
A. must have gone
B. might have gone
C. can’t have gone
D. needn’t have gone
在线课程【答案】C
【解析】试题分析：乔治不可能走得太远。他的咖啡仍然是温的。can’t have done一定不可能做了某事；must have done过去一定做了某事；might have done过去可能做了某事；needn’t have done过去本不必做某事。故选C。