_____ they believe enjoying a sports team is a good way ______ new friends, I would like to attend community activities to widen my social circle.

He said that the key _____ to open the door had been lost.

When winter(冬天) comes, the days get_______.

“You can’t have your football back ____ you promise not to kick it at my dog again,” the woman said firmly

The red flag looks extremely beautiful _____ the blue sky and white clouds[ ]