'Was rescued' because the first sentence is in the past so the next sentence has to be in the past too!
2012년 4월 17일
1
2
2
as the sentence is in past simple, you should use was :))
The boat hit a rock and sank quickly. Fortunately everybody was rescued.
2012년 4월 17일
1
2
1
"was" - past tense
The first sentence was in the past tense so the following sentence, which relates to the first sentence, has to be in the same tense.