The accident was my fault, so I had to pay for the damage ______ the other car.
_______ he is always studying hard is well known ____ us all.
I believe ______ you have done your best and _____ things will improve .
What a pity ______is ________ you didn’t arrive by daylight.
As the day was fine ,I made the suggestion _______ for a walk in the park .
It is uncertain ______ the experiment is worth doing .