【题目】--What do you think of your journey to Yunnan?
--Everything is very fantastic, especially its fresh air. It is pleasant .
A. breathed B. being breathed C. to be breathed D. to breathe
在线课程【答案】D
【解析】考察动词不定式。这里我们可以把它当做固定句式来记忆。It is pleasant to do sth做某事很愉快。这里breath不能用被动，故选D。