In the question below choose the word(s) or phrase(s) which best fills the gap(s):
Student: Excuse me sir, must we complete the assignment before lunch? Teacher: No you ....
A
needn't
B
mustn't
C
can't
D
shouldn't
Verified Correct Answer: A.
Grammar & Contextual Explanation
The student is asking whether it is necessary to complete the assignment before lunch. The best response from the teacher should indicate that it is not necessary but still possible. Needn't (correct choice) means "it is not necessary to do something." Example: You needn’t come early tomorrow. (It is not required but allowed.)
Source: Myschool Past Questions Archive (Record #5528)