10%
Help the detective review the suspect's alibi. Select ALL the grammatically correct phrases that apply to complete the sentence.
The suspect claims that on Sunday, he was __________.
The correct answers are at home with his dog, on a train to London, and by himself.
At is used for specific locations like "at home."
On is used for large public transport like "on a train" and for states like "on vacation" (not "in vacation").
By is used in the phrase "by himself" to mean alone. We say "on his own," not "with his own."