She ___ be the one who wrote the anonymous letter. MCQ with Answer and Explanation

She ___ be the one who wrote the anonymous letter.
A. shall
B. must
C. can
D. may
Answer: Option B
Solution (By JKExamLibrary)
'Must' deduction.

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Practice More Modals Questions

Question #1
You ___ be serious; that's impossible.
A. can't
B. shouldn't
C. needn't
D. mustn't

Correct Answer: Option A


Explanation:
'Can't' disbelief.

This question belongs to: English Modals
Question #2
We ___ obey the school rules.
A. might
B. must
C. may
D. can

Correct Answer: Option B


Explanation:
'Must' obligation.

This question belongs to: English Modals
Question #3
I ___ not believe what I just saw.
A. may
B. can
C. should
D. must

Correct Answer: Option B


Explanation:
'Cannot' expresses disbelief.

This question belongs to: English Modals