On hearing a great noise, Mike looked forward through the window _____ what happened outside the room.
With no agreement ___, the leaders in the six-side talks will spend another two hours, ___in the hotel, ___the nuclear problem of the North Korea.
--- It is weeks since he ___. ---So it is. We’d better ask some one else to help us.
---It’s ___to rain. ---Let’s get the work ___before the rain comes.
It’s not right to ______ the poorer people of the world.
Kathy has wasted so much time playing, ___failing in the exam.