To be all at sea
Correct!
Wrong!
To take to one's heels
Correct!
Wrong!
To bite the dust
Correct!
Wrong!
A bolt from the blue
Correct!
Wrong!
Cold comfort
Correct!
Wrong!
The reputed company is in the red due to the recession
Correct!
Wrong!
When the Principal was entering the class, all my friends quietly disappeared, leaving me alone "to face the music"
Correct!
Wrong!
The Kenyan team proved to be the "dark horse" in the ICC world cup cricket
Correct!
Wrong!
Having no arguments to defend his point, the speaker bagan "to beat about the bush".
Correct!
Wrong!
They were offered six months' rent "in lieu of" of vacate the building
Correct!
Wrong!