The zoo worker told the visitors that in the case of a highly ______ animal, performance training is easy and not so painstaking. [ ]

I went to Qianfo Hill __________. And it was reallycrowded.—So did I .

In students’ eyes, a good teacher should have many good virtues, but _____, he or she should be knowledgeable[ ]

at the news that his eyes rained tears.

Is there anything wrong –Yes, I’m _______ hungry. I want to eat a big meal.