Choose the appropriate preposition to fill in the blank :
What is the time _____ your watch?

Question

Choose the appropriate preposition to fill in the blank : 
What is the time _____ your watch?

Accepted Answer

1. Explanation for Option 3 ("by"):

The phrase "What is the time by your watch?" is a common and idiomatic expression in English. The preposition "by" is used here to indicate the means or instrument through which the time is being checked. In this context, "by" suggests that the watch is the tool or device being used to determine the time. This usage is well-established in English, making "by" the appropriate preposition for this sentence.

2. Explanation for why the other options are incorrect:

- Option 1 ("in"): The preposition "in" is typically used to indicate location or position within something, such as "in the box" or "in the room." It does not fit the context of asking for the time using a watch, as it does not convey the idea of using the watch as a means to tell time.

- Option 2 ("from"): The preposition "from" is generally used to indicate the origin or starting point of something, such as "from the beginning" or "from the store." In the context of asking for the time, "from" does not appropriately convey the relationship between the watch and the act of telling time.

- Option 4 ("on"): The preposition "on" is often used to indicate a surface or position atop something, such as "on the table" or "on the wall." While "on" can sometimes be used in relation to time (e.g., "on time"), it does not fit the idiomatic expression of asking for the time using a watch.

In conclusion, "by" is the correct preposition to use in this context because it accurately conveys the idea of using the watch as the means to determine the time.