-Did you enjoy your trip to Qufu?---Sure.It is ________ educational journey.

问题描述:

-Did you enjoy your trip to Qufu?---Sure.It is ________ educational journey.

Did you enjoy your trip to Qufu?---Sure.It is (an) educational journey.
educational 的e发音为[,e]是元音因素,所以不定冠词选an;
不用the的原因是:educational journey并不是专有名词