用介词+关系代词引导的定语从句改写下列句子1TheoldhousewhereNickusedtolivewasburntdownduringthefirelastweek.2Thereasonwhyhewaslateforhisclassisthathegotuplatethismorning.3Thebamboogrowsbestatth

　　用介词+关系代词引导的定语从句改写下列句子

　　1TheoldhousewhereNickusedtolivewasburntdownduringthefirelastweek.

　　2Thereasonwhyhewaslateforhisclassisthathegotuplatethismorning.

　　3Thebamboogrowsbestattheplacewherethereisenoughrainandwater.

　　4WepaidavisittoBeijingUniversitylastweekwhereIspentfourhappyhappyyears.

　　5Thefilmremindedmeofthehardtimeswhenwehadnothingtoeat.