Select the most appropriate idiom that best explains the given sentence.
I was unable to solve the geometry question myself. So, I have asked my teacher to help me out.
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. Two heads are better than one.
"Two heads are better than one" is an idiom which means it's helpful to have the advice or opinion of a second person.
Here, as the person is unable to solve the problem on their own, it is better for them to take help of their teacher.