By 2030, scientists ___ a cure for the disease. MCQ with Answer and Explanation

By 2030, scientists ___ a cure for the disease.
A. find
B. will find
C. will have found
D. are finding
Answer: Option C
Solution (By JKExamLibrary)
Completion by a future date → Future Perfect.

This question belongs to: English Tenses

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Practice More Tenses Questions

Question #1 Report Error
She ___ just ___ to the supermarket.
A. had, gone
B. did, go
C. has, gone
D. was, going

Correct Answer: Option C


Explanation:
Present Perfect with 'just'.

This question belongs to: English Tenses
Question #2 Report Error
They ___ the match by the time we arrived.
A. have won
B. had won
C. were winning
D. won

Correct Answer: Option B


Explanation:
Earlier victory → Past Perfect.

This question belongs to: English Tenses
Question #3 Report Error
She told me that she ___ the movie.
A. had already seen
B. already saw
C. was already seen
D. has already seen

Correct Answer: Option A


Explanation:
Present perfect → past perfect in reported speech.

This question belongs to: English Tenses