— Mum, would you please buy me an MP5 player? — If you can help do some housework the whole vacation, you ____ have one as a reward.     

We were suggested that we ____ attention to protecting wild animals.

He commanded that all the gates ________．

These achievements_______ without the contribution of Qian Xuesen, a key leader of the New China's nuclear, missile and so on．

She ____ the film. She knows nothing about it.