按下列各小题括号内的要求改写句子，每空限填一词。

1．Meimei has to look after her little brother at weekends. (改为一般疑问句) 　　

     ________ Meimei ________ to look after her little brother at weekends?

2．Both he and his deskmate have passed the exam. (改为否定句) 　　

     ________ he nor his deskmate ________ passed the exam.

3．Let's stop and have a rest, ________ ________? (完成反意疑问句)

4．Nobody can answer the question. (改为被动语态)

     The question ________ ________ answered by anybody.

5．Will the 29th Olympic Games be held in Beijing? Could you tell me? (合并成宾语从句)

     Could you tell me ________ the 29th Olympic Games ________ be held in Beijing?