Multiple choice

Directions: Select the numbered part that bears an error of grammar or diction. If there is no error, mark (5).

The door (1) is locked (2) from inside, someone (3) must have been (4) inside the room. (5) No error

  1. (1)

  2. (2)

  3. (3)

  4. (4)

  5. (5)
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

'Must be' will be the correct use in place of 'must have been' because 'must have been' refers to an action in the past.

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