1．In face of failure, it's the most important to ________ a good state of mind．

A．make up      B．keep up          

C．pick up      D．put up

2．It won't be long ________ the 2008 Olympics are held in Beijing．

A．until  B．when  C．before  D．that

3．The parents are worried, for their children are ________ to be seen．

A．nowhere   B．where 

C．somewhere  D．anywhere