The police warned us ______ possible danger.
On ______ way home, Mr. and Mrs. Black meet an old friend.
Mary with her parents often ______ a walk in the park after supper.
— Tom isn’t happy today. Do you know the_____?— His dog is ill. That makes him sad.
— YOG (青奥会) comes _____summer?— Yes. And the 2nd YOG starts in Nanjing _____August 16.
— ______is it? —Sorry. I don’t have a watch.