Each player tried his best to ______ the game.
I can ____ the house being at sixes and sevens, but I hate it if it's not clean.
There were some different opinoins at the meeting but it was a great success______.
We discussed the high rate of single parent family, and wondered how to explain this ______.
I still remember how many years _____ was that I quarrelled with her for the first time.
In face of difficulties the climbers______in the hope of reaching the top before dark.