He stared at the empty bottle for a while, feeling happy that he had sent the butterfly back ________ it belonged-nature[ ]

Mother, I won’t go unless you _____. [ ]

In the past, he rarely spoke unless others were speaking about something that ______ to him.

I was blessed with a happy childhood, ______ that most people would want to have.

When he walked through the gate, no one noticed he was using an ________ permit. [ ]