It was only after he had read the papers________Mr.Gross realized the task before him was extremely difficult to complete.
It was because of bad weather _____ the football match had to be put off.
There was ______ time _____ Chinese used foreign oil.
--- Mary’s got crazy and has been sent to the mental hospital. Did you tell her boss about that?--- Yes, but I _____ her husband first.
I don’t think she is a nice woman; I am ______ her empty talk.
The rain ______ the beauty of the West Lake. It looked more attractive.