VIII.补全对话(共5小题,记5分)
根据插图提示及上下文,完成对话。

A : It's very cold today, isn't it?
B : ________.
A : Where did you go this morning?
B : We helped Grandma Li________.
A : Really?
B : She is over sixty and she _____now.
His only son is ______.
A : What did you do?
B : We cleaned the room and washed some
clothes. Some of us swept up the
snow outside and______. Would you like to join us next time?
A : Yes, of course.