ook part in the games, but the restof us just

_____ being fun and good exercise, swimming is a very useful skill

His behavior at the party last night seemedrather_______. Many of us were quite surprised.

—Why do you look so worried?—My computer broke down and my essay ________ unfinished since.[ ]

Why didn’t you try your best to get on the subway— I tried to, but it started moving ______ I could get on it.