He ___ have been a pilot; he knows all about planes. MCQ with Answer and Explanation

He ___ have been a pilot; he knows all about planes.

A. could

B. would

C. should

D. must

Answer: Option A

'Could have' past potential.

This question belongs to: English Modals

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Question #1 Report Error

She ___ be a chef; her food is restaurant quality.

A. can

B. shall

C. must

D. may

Correct Answer: Option C

Explanation:
'Must' deduction.

This question belongs to: English Modals

Question #2 Report Error

He ___ have been a scientist; he's always experimenting.

A. should

B. could

C. would

D. must

Correct Answer: Option B

Explanation:
'Could have' past potential.

This question belongs to: English Modals

Question #3 Report Error

You ___ not play in the street.

A. can

B. must

C. may

D. need

Correct Answer: Option B

Explanation:
'Must not' safety.

This question belongs to: English Modals