用上括号里面的词,合并句子

题目

用上括号里面的词,合并句子
1.I finished reading the newspaper.Then John came home.(before)
2.We were eating dinner.Our guests arrived.(while)
3.John was reading .Hary entered.(when)
4.I graduated from high school.I have been studying at the university.(since)
5.I will read that book.First I must finish this one.(before)

答案

I finished reading the newspaper before John came homeWe were eating dinner while our guests arrivedJohn was reading when Hary enteredI have been studying at the university since .I graduated from hig...