根据汉语意思，完成英文句子，每空一词。

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.