I'll go to the library as soon as I finish what I ________.
A．was doing B．am doing
C．have done D．had been doing
“The moment ________ soon”，he thought to himself，waiting nervously.(2012·湖南)
A．came B．has come
C．was coming D．is coming
—I'm not finished with my dinner yet.
—But our friends ________ for us.(2010·北京)
A．will wait B．wait
C．have waited D．are waiting
It's really time I went home but I'm enjoying myself, so I ________ here a bit longer.
A．am staying B．have stayed
C．stayed D．stay
The sky is clouding over；we can see there ________ a rainstorm.
A．is going to be B．is going to have
C．will be D．will have
Close the door of fear behind you，and you ________ the door of faith open before you.(2012·湖南)
A．saw B．have seen
C．will see D．are seeing
