1、语法基础阶段练习

1、语法基础阶段练习竦习世明展开诸法基础检投练习（共殛）El Mdiiy of the nturl dres whert* wild animals liye dre being destro/ed So zoos in the United States and otlwr countries to prevent rare ammals from disappearing. The program is called captive breeding.A workB are workingC have worked0 have been working孵昔欺 AbC I 0 DToday, t

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4、;reading* undoubtedl/ meant readi no aloud Only dun no the nneteGnth centurysilent reading become commonDlaceAl wouldBJ shou dCJ didD couldi棉答尿 c AMr. Allen doesn t only introduce his students to major problemsin momaae such as illness orunemolOYnient A to faceBJ fadngCJ having facedo faced诜毎誉案： ALJE” en s- hiitirw<rn>-='g -5are arm =彎二 M r 血 mm4fls m-tjur-Fmrg - p Drtolb -eeLmx cm® f wm- mmmphonJtlrldnd 8- m【amom-Ddldsenj jdBkoANjKocrg 至畀 irKTta*。*5'prwgfss'o pnwpr* gJOWQ'Llr© apzsarhi 居寸wpdimb3*>.0nLI-