Discussion :: Error Correction - Phrase in Bold
- Underwater archaeology has huge potential, as it could be a time-consuming and costly way to study the past.
Answer : Option B
Explanation :
The first part of the sentence says something positive about underwater archaeology (has huge potential) and the second part brings out its drawbacks. It is a contradiction and hence it is apt to use a conjunction which brings out this contrast. The conjunction 'but' has to replace 'as'. Also the idea stated is given as a fact. The first part is in simple past and the second part should also be in the simple past. The verb 'is' has to replace 'could be' which suggests a supposition. The correction therefore is 'but it is a time-consuming'.
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