Question

My class teacher told me that I _____ work hard.

(a) shall

(b) could

(c) can

(d) should

Answer 1

Answer:

D) should.

Explanation:
I did this on a test.

Answer 2

(D) should.

"Should" is a modal verb used to express an obligation or recommendation, and it's commonly used to give advice or make suggestions. In the given sentence, the teacher is advising the speaker to work hard, which makes "should" the appropriate choice.