[答案]
Whatdidyoudolastweekend?/Lastweekendwhatdidyoudo?
[解析]
考查what引导的特殊疑问句。last weekend上周末,do做,you你(你们),did助动词,what什么,根据所给的问号,可知句子是一个疑问句,根据所给词义可以连成句子:上周末你(你们)做什么了?
故答案为:What did you do last weekend?/Last weekend what did you do?
[点评]
本题考查了"what引导的特殊疑问句,",属于"常考题",熟悉题型是解题的关键。