Multiple choice

Directions: The following phrase is followed by some alternatives. Choose the one which best expresses its meaning.

To oil the knocker

  1. to instigate a person to do a job

  2. to do the work with increased pace

  3. to tip the office boy

  4. to revive the old enmity
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

It means to tip the office boy or the porter.

Keep practicing — related questions