What a pity! Considering his ability and experience, he ____ better.[ ]

We pay to get into the concert. It’s free.

______black—headed gulls(红嘴鸥) come to Kunming to spend their winter every year.

Do you understand the problem? — No. Although Mr. Murphy had explained it, his explanation didn’t _____ to me. [ ]

When the committee _____ to details, the proposed plan seemed impractical.