The result was not as good as expected but the ________ on his face told us that he was still very happy.

I was once ashamed to admit my weakness, but now I have no such feeling and I________myself much discomfort.

Emily is easy to be ______ as she's the only one of the women who is wearing evening dress.

Tom didn’t break the glass by accident．It was _________．

Usually a meteorological observatory (气象台) _____ air quality in urban areas from one to five: excellent, fairly good, slightly polluted, poor, and dangerous.