John often teaches physics in his free time.
Mr. Wang is ______ his wife in social standing地位, because his wife has made more contributions to our society than he has.
—Have you read the poems ______ by Du Fu? —Of course, many of them.
It’s ten at night. I’m very tired. I would rather ______ than ______ TV.
Beth has a beautiful ______ . Listen! She is singing.
The sailor is ______ of his experiences,because he has been to about30 countries.