21.Heall his important thoughts in his diary.
A. set out B. set down C. set about D. set aside
22. Laws that punish parents for their little children’s actions against the laws get parents_____ .
A. worried B. to worried C. worrying D. worry
23. ----Do you know our town at all?
----No, this is the first time I ____ here.
A. have come B. was C. came D. am coming
英语六级考试备考晨读美文——Topaz
英语六级考试备考晨读美文——Statistics
英语六级考试备考晨读美文——Hydrogen and Industries
英语六级考试备考晨读美文——The History of Chemistry
英语六级考试备考晨读美文——Oil and Water
英语六级考试备考晨读美文——Salt and Metabolism
英语六级考试备考晨读美文——The American Civil War
英语六级考试备考晨读美文——Plankton
英语六级阅读理解每日一练（12-10）
英语六级考试备考晨读美文——Obtaining Fresh Water from Icebergs