Select the most appropriate option to fill in blank No.1.
Show answer & explanation
Correct answer: C
Explanation
The correct answer is Option 3 i.e. since.
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Concept/Grammar rules |
Application |
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We are talking about the past here. ‘Ever since’ is used when you want to emphasize that something has been true from "from that time to this". |
The sentence signifies that the war between Plants and Insects is continued from 100 million year ago to now. Hence, ‘ever since’ is the correct usage here. |