सबसे उपयुक्त प्रीपोज़िशन के साथ रिक्त स्थान भरें: The proposal should not be subjected ____ unnecessary delays.

Select the appropriate alternative to fill in the blank: The accused ........................ to the judge for mercy.

Select the most appropriate option to fill in the blank: 'Today I tried to make potato salad; needless to say, it didn't go ________ well.'