Question

1.My grandfather _______ still read without glasses. (ability)

Answer 1

My grandfather can still read without glasses.

Things to keep in mind when answering English Grammar questions :

• We should keep in mind that the meaning of a sentence is not changed rather the meaning of the sentence is promoted by filling in the blanks.

• In the sentence mentioned in the question, 'can' is the proper auxiliary modal verb that provides meaning to the sentence.