Sometimes people worked for years to make books by hand.(对划线提问）by hand划线
问题描述：
Sometimes people worked for years to make books by hand.(对划线提问）by hand划线
还有：Mother's Day is the second Sunday in may every year.(对划线提问）
the second Sunday划线
He wants to visit his grandparents next Sunday.(改为同义句）
Must we go there now?（作否定回答）
There are seven continents in the world.(对划线提问）seven划线
答
第一句：How did people work for years to make books?
第二句：Which day is Mother's Day in May every year?
第三句：He wants to call on his grandparents next sunday.
第四句:No,we needn't.
第五句：How many cotinents are there in the world?