People complain that decisions to approve or deny apermit are often ______ rather than based on fixed criteria.

When he knew the disappointing result of the exam, he seemed quite ____.

The story is about an old villager and his sons living in West China, ________ travelling beyond the mountain in their life.

I didn’t see her yesterday.—Of course, you _____, because she had gone to a trip.

There is some _____ in the fridge.