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 ha
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I finished reading the newspaper before John came home
We were eating dinner while our guests arrived
John was reading when Hary entered
I have been studying at the university since .I graduated from high school
First I must finish this one befors I read that book