The clear sky _____ fine weather.
The parents seemed satisfied with the news __________ their son had been employed by a large company.
We have overlooked the fact __________ the children’s emotional development may be easily damaged.
In Mark’s speech, he made the point __________ far more people died from smoking than from taking drugs.
It is already well understood___________ causes the global warming.
___________we’ll go camping tomorrow depends on the weather.