语法填空
阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空。
Mrs. Brown had two strong sons, ________ they were lazy. On Sundays they didn’t go to school, and their mother always said ,”Please cut the grass in the garden this afternoon, boys.” The boys didn’t like __________  , but they always did it.
One day, their uncle___________(give) them a magazine, and they _________ (see) a picture of a beautiful mower (割草机)in it. There _______   (be)a woman on the mower.
The boys took the picture to their _______ and said, “Look, that woman is sitting on the mower and _______(cut) the grass. We want one _______ those”.
“One of the mowers?” their mother _______  .
“No, we want one of those _______. Then she can cut the grass every week,” the boys said.