Unit5SectionB(3a-self-check)I.选择正确的选项，完成所给的单词。1.tig____A.eaB.aeC.aiD.er2.el____ph____ntA.e,aB.e,eC.a,eD.a,a3.d___nA.owB.awC.ewD.cw4.iv____nA.aiB.orC.roD.oi5.dan____rA.geB.ceC.heD.keII.用括号内所给词的适当形式填空。1.Thesetigers____________(be)fromAfrica.2.Let’s____________(swim)inthelake(湖).3.Why____________she____________(want)toseethedolphins?4.Pleaseseethepandas____________(one).5.Thekoalasarevery____________(interes...