I am all at sea.

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

Remark:

Our knowledge about the infinite space is very limited. (Synonym)

• strange
• unknown
• vague
• endless
Correct Option: D  [ endless ]

Remark:

You should apply _______ that post.

• over
• to
• for
• at
Correct Option: C  [ for ]

Remark:

He took a break after he _________ for three hours.

• was walking
• had been walking
• has walked
• were walking
Correct Option: B  [ had been walking ]

Remark:

The dog ran ___ the street.

• at
• down
• with
• None of the above.
Correct Option: B  [ down ]

Remark:

Ostentatious (find synonym)

• wealthy
• talkative
• showy
• noisy
Correct Option: C  [ showy ]

Remark:

The party high command wanted to stave off an open battle.

• postpone
• wait and see
• allow it to take its own course
• prevent
Correct Option: D  [ prevent ]

Remark:

He used to REGALE us with anecdotes. (find Synonym)

• bore
• flatter
• entertain
• fix
Correct Option: C  [ entertain ]

Remark: "Regale" is a verb that means to entertain or delight someone with food, drink, stories, or other enjoyable experiences.

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:

There is no gainsaying the fact that the country is in difficulties.

• ignoring
• hiding
• forgetting
• denying
Correct Option: D  [ denying ]

Remark: