Question 2: Mark the letter A, B, C, or D on your answer sheet to indicate the undelined part that needs correction in each of the following questions: The new computer chip is the smallest one than has ever been developed.
The superlative sentence color does not use “than”, must replace “than” with “that” to form a clause to respect.
complete system (“that” is the relative pronoun that replaces “the smallest one”). We have the structure:
Superlative + that + present perfect tense.
Ex: She is the most beautiful girl that I have ever met.
===============