1. 你的学校有多大？ 
                                is your school?
2. 像他这样的老师很受我们的欢迎。 
                                               are popular with us.
3. 我上星期天买的这本书非常有趣！
    The book                              last Sunday is really fun.
4. 这是一封感谢信，谢谢你昨天提供的帮助。
    This is a                                          the help you offered yesterday.