I ___ the mistake before the boss noticed. MCQ with Answer and Explanation

I ___ the mistake before the boss noticed.

A. have corrected

B. was correcting

C. corrected

D. had corrected

Answer: Option D

Earlier correction.

This question belongs to: English Tenses

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Question #1 Report Error

She ___ the stairs when she fell.

A. has climbed

B. climbs

C. climbed

D. was climbing

Correct Answer: Option D

Explanation:
Past Continuous for ongoing action when an accident occurred.

This question belongs to: English Tenses

Question #2 Report Error

She ___ her work before she left.

A. was completing

B. had completed

C. completed

D. has completed

Correct Answer: Option B

Explanation:
Earlier completion.

This question belongs to: English Tenses

Question #3 Report Error

I ___ my grandparents every Sunday.

A. visit

B. am visiting

C. visited

D. have visited

Correct Answer: Option A

Explanation:
Simple Present for habitual routine.

This question belongs to: English Tenses