i want the answers of these questions .please

[nada allam]

i want the answers of these questions .please

1- when did the journey of the group come to an end?
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2- the icelanders were kind to the group as ..............

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write what would you say
1- one of your friends didn't do well in the exam
( can i say '' you should have studied before the exams'' or ''you should study hard...''as an advice????