She ___ have forgotten my birthday; she's so forgetful. MCQ with Answer and Explanation

She ___ have forgotten my birthday; she's so forgetful.

A. would

B. might

C. must

D. should

Answer: Option B

'Might have' past possibility.

This question belongs to: English Modals

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Question #1 Report Error

You ___ be 21 to drink alcohol in the USA.

A. must

B. can

C. may

D. should

Correct Answer: Option A

Explanation:
'Must' for legal obligation.

This question belongs to: English Modals

Question #2 Report Error

You ___ not feed the birds; it's not allowed.

A. need

B. must

C. can

D. may

Correct Answer: Option B

Explanation:
'Must not' rule.

This question belongs to: English Modals

Question #3 Report Error

___ I try that dress on?

A. Would

B. Should

C. Must

D. May

Correct Answer: Option D

Explanation:
'May' permission.

This question belongs to: English Modals