He is in deep water and needs your help.

• great difficulties
• under the water
• a sea
• pain
Correct Option: A  [ great difficulties ]

Remark: "deep water" meaning: in a difficult or awkward situation.

Believe me, I am all at sea.

• out ofreach
• very happy
• puzzled
• drowning
Correct Option: C  [ puzzled ]

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

A man of straw

• a worthy fellow
• a man of no substance
• a very active man
• a selfish Person
Correct Option: B  [ a man of no substance ]

Remark:

To be all at sea.

• a family voyage
• lost and confused
• in the middle of the ocean
• a string of island
Correct Option: B  [ lost and confused ]

Remark:

To drink like a fish:

• To drink little
• To drink alone
• To drink in company of others
• To be a drunkard
Correct Option: D  [ To be a drunkard ]

Remark:

She just needs forty winks in order to be able to work all night.

• someone's help
• to take a stroll
• a short nap
• a little cooperation
Correct Option: C  [ a short nap ]

Remark:

For the first week, the apprentice felt like fish out of water.

• frustrated
• homeless
• disappointed
• uncomfortable
Correct Option: D  [ uncomfortable ]

Remark:

Take Cat out of the bag

• to rebuke
• to defame someone
• to reveal a secret
• to sell a pet
Correct Option: C  [ to reveal a secret ]

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: