The clever boy made a hole in the wall, ________ he could see what was going on inside the building.
It was __________ that we wanted to stay here for another two days.
The suspect's fingerprints on the gun were the main __________ against him.
When they had finished playing, the children were made to __________ all the toys they had taken out.
A sudden blizzard occurred in Beijing last night,__________ great in-convenience in transport.
-Have you found anything wrong with your computer? -Yes, and I was about to give it up when an idea __________ to me that it may be struck by some kind of virus.