With the existing management the future of the company is in doldrums.

• dull
• bright
• uncertain
• secure
Correct Option: C  [ uncertain ]

Remark:

The cops were on their toes throughout the day.

• eager
• alert
• harried
• quick
Correct Option: B  [ alert ]

Remark:

Eloquent lamentations regarding the fate of flora and fauna are certain to be rendered a cry in the wilderness.

• a cry in vain
• an unpleasant situation
• a cry with laughter
• a laughter having no end
Correct Option: A  [ a cry in vain ]

Remark:

I raked my brain to solve this difficult problem.

• I consulted several people
• I subjected my mind to hard thinking
• I read number of books
• I brainwashed several experts
Correct Option: B  [ I subjected my mind to hard thinking ]

Remark: raked my brain: to think very hard

The meeting ended in fiasco.

• succeeded
• in confusion
• in complete failure
• in acrimonious debate
Correct Option: C  [ in complete failure ]

Remark:

Please be as brief as you can, I have other fish to fry.

• to cook the food
• to take rest
• some important work to attend to
• to attend the friends
Correct Option: C  [ some important work to attend to ]

Remark:

In the new place he had to earn by the sweat of his brow.

• Very hard work
• Frown of his brow
• Seriously
• Idly
Correct Option: A  [ Very hard work ]

Remark:

One should always try to keep one’s word.

• to guard a secret
• to be too shy to speak
• to remember
• to fulfill a promise
Correct Option: D  [ to fulfill a promise ]

Remark:

He says he has invented a time machine, which is clearly a load of cobblers.

• Genuine
• Great
• Nonsense
• Significant
Correct Option: C  [ Nonsense ]

Remark: "A load of cobblers" is indeed an idiom, and it is commonly used to express that something is nonsense, untrue, or of poor quality.

The idiomatic expression 'pull yourself together'.

• Drag oneself
• help one
• get angry
• calm down by oneself
Correct Option: D  [ calm down by oneself ]

Remark: