【1.With（）knowledgeofacountry'scustomsandculture,youcaneasilyadaptto()lifethere.A.the；不填B.a；theC.不填；aD.the；a（我选的A,2.typoonbophathisweekhitthesouthofphilippines()bytropicalstormsnormally,causingwi】

　　1.With（）knowledgeofacountry'scustomsandculture,youcaneasilyadaptto()lifethere.

　　A.the；不填B.a；theC.不填；aD.the；a（我选的A,

　　2.typoonbophathisweekhitthesouthofphilippines()bytropicalstormsnormally,causingwidespreadflooding.

　　A.notaffectingB.notaffectedC.havingnotaffectedD.wasnotaffected(我选的D,

　　3.我从来没做对过过去完成时和现在完成时、一般过去时区别的题,谁能告诉我怎么区分它们,有没有技巧和方法?