He was not an actor, who often appeared on stage, _____ a writer, writing stories.
The young doctor is determined to devote all his life to ________ the cause of cancer.
This dictionary ________ me. It cost me twenty dollars.
I don’t like ________ you speak to her.
Hefailedintheexamination,________madehisfatherveryangry.
There is no doubt ________ he will succeed.