1.They visit their grandparents once a week.（划线提问)

1.They visit their grandparents once a week.（划线提问)
1.They visit their grandparents once a week.（划线提问）
_______ ______ do they visit their grandparents?
2.They speak English not only in classs but also out of class.（保持原句意思）
They speak English _______ in ________ out of class.
3.Linda went to New York by plane last month.（保持原句意思）
Linda _________ a plane __________ New York last month.
4.My grandparents lived in the country five years ago.（改为否定句）
My grandparents _______ _______ in the country five years ago.
5.I am going to buy two pairs of shoes this weekend.（划线提问）
_______ ________ pairs of shoes are you going to buy this weekend?