Identify the segment in the sentence which contains a grammatical error.
She is not as smart as I think at first.
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. I think.
The given sentence is grammatically incorrect.
"At first" is used when we are referring to the early stages of an event or any experience. So, 'think' should be replaced by 'thought.'
The correct sentence is:
She is not as smart as I thought at first.