My English-Chinese dictionary has disappeared.Who ________ have taken it?
The lawyer seldom wears anything other than a suit ____ the season.
――Did they offer us enough books? ―― _____ than we had expected.
What a pity! Considering his ability and experience, he ____ have done better.
I have been convinced that the print media are usually more ____ and more reliable than television.
_____ being fun and good exercise, swimming is a very useful skill.