【题目】读句子，找出错误，并改正。

【题目】They __________ playing football on the playground. ( )

【题目】I first ________ Lisa ten years ago.She ______ a little girl at that time. (　　)

【题目】______did you come home late? Because I was ill.

【题目】Today is __________ birthday. ( )

【题目】__________ birthday is October 10th. ( )

【题目】He wrote a letter ________ his mother last week.

【题目】连词成句: can’t, you, no (,.)