We’ll look into the case as soon as we can. Just be ________, please.

The flight attendant welcomed us ___ the plane. 

She is the most _____ one of my friends; you can just depend on her.  

Henry said he stayed at home all day, but I saw him in the supermarket. It’s __________that he was lying.

The young lady responded to my greeting with a ______ look as if I were air, which made me feel somewhat embarrassed.