We ___ not leave the door open. MCQ with Answer and Explanation

We ___ not leave the door open.

A. should

B. must

C. may

D. can

Answer: Option B

'Must not' instruction.

This question belongs to: English Modals

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Question #1 Report Error

We ___ not use our phones during the flight.

A. can

B. must

C. may

D. should

Correct Answer: Option B

Explanation:
'Must not' rule.

This question belongs to: English Modals

Question #2 Report Error

He ___ be at the station; the train just arrived.

A. must

B. shall

C. can

D. may

Correct Answer: Option A

Explanation:
'Must' deduction.

This question belongs to: English Modals

Question #3 Report Error

You ___ not have to wear a tie; it's casual Friday.

A. should

B. need

C. do

D. must

Correct Answer: Option C

Explanation:
'Do not have to' absence of obligation.

This question belongs to: English Modals