Fill in the blank with the appropriate modal :
Till 1990, I ____ read without glasses.
(A) should
(B) shall
(C) could
(D) will
Choose the correct answer from the options given below:
Answer & explanation
Correct answer: option 1
The correct answer is Option (1) → (C) Only
The sentence refers to an ability in the past ("Till 1990").
- The correct modal verb to express past ability is "could".
OTHER OPTIONS
- (A) should → Incorrect, as "should" is used for obligation or advice, not ability.
- (B) shall → Incorrect, as "shall" is used for future actions or formal obligations.
- (D) will → Incorrect, as "will" refers to the future, but the sentence is about the past.
Thus, the correct sentence is: "Till 1990, I could read without glasses."