单项选择题
Since I was a stranger there， I had no one to （）.
A.turn up B.turn on C.turn to D.turn down
单项选择题 （）ismentionedinsomeofhisstories，theauthorwasbroughtupinasmallvillage.
单项选择题 （）howtooperateaswitchboard，Ihavetoasktheofficesupervisortoshowmethecorrectprocedures.
单项选择题 Thegovernmenthaspromisedtodo（）liesinitspowertoeasethehardshipsofthehomeless.
