题目内容：

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，在空白处填入一个适当的词或使用括号中词语的正确形式填空。

Mr.Turner is standing near the window(窗户). 1. (he)wife，Mrs.Turner，is sitting behind him.She is 2. (read)a book.She closes the book and  3. (ask)her husband (丈夫)，“What are you  4. (look)at？”

“I'm looking at  5. boy，” Mr.Turner answers.“He's under the tree near our house.He is looking  6.  my bike.”

“Oh，” Mrs.Turner  7. (say)，“what is he doing now？”

“He is cleaning the seat，” says Mr.Turner.“Now he is  8. (ride)my bike.”

Mrs.Turner looks out of the window  9.  then she says，“Ah，don't you know  10.he is？He is our son！He is going to school.You must wear glasses！”