1. Most of the country was up into the wee hours of the morning to watch figure skating queen Kim Yu-na's first performance at the Sochi Olympics.  

선생님 밑줄친 문장 be into 로 해석해야되나요?

2. Level 3 also includes " a general vocabulary which is board enough that   he or she rarely has to find a word."

쿠어테이션 문장을 it is a general voca ~ enough that SV~. 가주진주로 봐도될까요??