Question

the train was running ____ full speed . preposition​

Answer 1

The train was running at full speed.  

Explanation:

• Prepositions are the words used to complete our sentences, they connect our sentences.
• They are the words used to give directions and locations to our message.
• For example, if we use "in" it gives direction where one has to go.
• When we use "at" sometimes it gives users the location or sometimes it tells the time or reign.
• Ending sentences with prepositions is not an error.

Answer 2

The train was running at full speed

Explanation:

• A preposition is a word, typically short words, which shows the connection/relationship between 2 other nearby words.
• A preposition will  be placed before a word (a noun/pronoun) to indicate that word's connection/relationship to another adjacent word.
• Preposition at is used to indicate a place, for example, We saw a football match at the Sharjah Stadium point out specific time, for example, The train will halt here at 7:45 p.m. indicate an activity, for example, She laughed at my drawing.

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