Select the most appropriate word from the given choices to fill in the blanks in the given sentence.

His _____ as an officer was not quite satisfactory.

Select the most appropriate word from the given choices to fill in the blanks in the given sentence.

The two children stood at the _____ of the table.

Select the most appropriate word from the given choices to fill in the blanks in the given sentence.

The old man was _____ weak to open the door.

Select the most appropriate word from the given choices to fill in the blanks in the given sentence.

Universities in Germany and Denmark will have input _____ the project.

Select the most appropriate word from the given choices to fill in the blanks in the given sentence.

He gave me a leg _____ when I was completely new to the business.

Select the most appropriate word from the given choices to fill in the blanks in the given sentence.

You should have nothing to do with those criminals, they all have violent attitudes and long records. They are men _____ the same kidney.

Select the most appropriate word from the given choices to fill in the blanks in the given sentence.

He didn't have the guts to stand _____ his friend when he was in trouble.

Select the most appropriate word from the given choices to fill in the blanks in the given sentence.

He broke out of the prison _____ dressing as a woman.

Select the most effective word(s) from the given options to fill in the blanks and make the sentence meaningfully complete.

When electricity failed, emergency generators _____.