The quiet girl has ________ since she became a sales clerk.

She will have to find somewhere else to work, for she can't ______ this loud noise any longer.

When we visited Hainan again ten years later, we found it changed so much that we     could hardly _______ it.

The students competed _____the honor of winning _____each other _____the school sports meet. 

—Did you have a chat with Tom?—No, I was trying to ________ an opportunity to do so, but I couldn't.