He ___ have taken the wrong key; this one doesn't fit. MCQ with Answer and Explanation

He ___ have taken the wrong key; this one doesn't fit.
A. would
B. must
C. should
D. could
Answer: Option B
Solution (By JKSSB Mock Tests)
'Must have' deduction.

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Practice More Modals Questions

Question #1
I ___ not find a job in that city.
A. could
B. can
C. should
D. may

Correct Answer: Option A


Explanation:
'Could not' past inability.

This question belongs to: English Modals
Question #2
You ___ have told me earlier.
A. should
B. could
C. might
D. would

Correct Answer: Option A


Explanation:
'Should have' expresses regret or criticism.

This question belongs to: English Modals
Question #3
You ___ try this new restaurant; it's excellent.
A. may
B. shall
C. must
D. can

Correct Answer: Option C


Explanation:
'Must' is used for strong recommendation.

This question belongs to: English Modals