【题目】The atmosphere lets sunlight in and keeps warmth _______ getting out.

【题目】Listen, boys, washing hands is a good way to protect _______ from the disease.

【题目】He has been to ______ university to visit his professor for several times since graduation.

【题目】“What will we have for dinner?” Nina asked her mother.（改为间接引语）

【题目】The government should not allow people to hunt wild animals for fun.（改为被动语态）

【题目】Scientists still have no idea how to solve the serious problem.（保持句意不变）

【题目】Ray’s aunt advised him to find a new job with more challenges.（划线部分提问）

【题目】丽丽在演讲比赛中获得了一等奖。

【题目】在美国一些人握手，亲吻或者互相拥抱。

【题目】他顺便看望了布朗夫妇。