Prepositions - Practice (Fill In The Blanks) - Mechanical Engineering MCQ

'On' is used to indicate position, usually indicating that something is on top of something else.

• We might say, “My journal is on the desk.” In this function, “on” typically denotes proximity or position.
• Another example would be, “He sat on the stone wall.”

"I'm terribly bored of having that day-to-day battle with my manager, so I'm planning to resign."

About means:

• 'on the subject of something'
• 'concerning of something/someone' 

It also means 'approximately'

"I wish I were experienced in the field of marketing."

"People who are good at making friends usually work in the field of trade, which requires having good communicative skills."

"Most office workers are fond of having frequent coffee breaks."

"I wish my daughter is interested in learning foreign languages."

• For the most specific times, and for holidays without the word “day,” we use 'at'.
• That means you will hear, “Meet me at midnight,” or “The flowers are in bloom at Easter time.”

"Working at a big company will certainly enable you to have a large circle of friends."

"Everyone hopes to get a job with prospects of promotion, but not many people manage to do so."