His handwriting is terrible. It’s not easy at all ________ what he writes.
Xem đáp án và giải thích
Đáp án đúng là: B. to read
Giải thích:
The correct structure is 'to + verb' after 'easy' or 'difficult' when referring to an action. 'To read' is the correct infinitive form. Therefore, the correct answer is B.