He ___ be a scientist; he's always experimenting. MCQ with Answer and Explanation

He ___ be a scientist; he's always experimenting.
A. can
B. may
C. shall
D. must
Answer: Option D
Solution (By JKSSB Mock Tests)
'Must' deduction.

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Practice More Modals Questions

Question #1
I'm not sure, but she ___ be at the library.
A. might
B. will
C. should
D. must

Correct Answer: Option A


Explanation:
'Might' expresses weak possibility.

This question belongs to: English Modals
Question #2
He ___ be a professional chef; this meal is delicious.
A. may
B. must
C. can
D. shall

Correct Answer: Option B


Explanation:
'Must' deduction.

This question belongs to: English Modals
Question #3
We ___ respect each other's opinions.
A. may
B. can
C. should
D. might

Correct Answer: Option C


Explanation:
'Should' moral obligation.

This question belongs to: English Modals