1.they played with their friends last monday(对划线部分提问：played with their friends ）
问题描述：
1.they played with their friends last monday(对划线部分提问：played with their friends ）
2.mike cooked nice food a moment ago.（改否定句）
3.we picked oranges on the farm(提问）
4.come to my room this afternoon(否定句）
答
1.What did they do last Monday?
2.Mike didn't cook nice food a moment ago.
3.Did you pick oranges on the farm?
4.Don't come to my room this afternoon.