Direction: In these questions, sentences are given with blanks to be filled in with an appropriate word(s). Four alternatives are suggested for each question. Choose the correct alternative out of the four.
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The engineers ________ this bridge since last year.
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- have repaired
- had repaired
- have been repairing
- are repairing
- have repaired
Correct Option: C
since is used with Present Perfect Continuous Tense
Here, have been repairing is the right usage.
