-The window is dirty. -I know. It ___________ for weeks.
We should unite, for no country _____can solve the problem of the pig flu.
Will you like there______ a meeting to disscuss the matter?
You’d better put the papers and magazines into_____ bag.
I wanted nothing but _____,_____ I stayed up all the night.
The author of the report is well _____ with the problems in the hospital because he has been working there for many years.