He is quite at sea. At sea means :
Aby the sea
Blost in thought
Cdetermined
Dconfused
Aby the sea
Blost in thought
Cdetermined
Dconfused
Related Questions:
Trying to find my lost ring in the college is like looking for a needle in a haystack. (Meaning of the underlined idiom)
Select an appropriate idiom and complete the sentence and mark your answer in the response sheet.
She didn’t mean to ____, but she accidentally revealed the surprise party details.