1.（ B）enjoyable music programme on 3 channel A.what B.what an C.how D.how an2-.I wonder （C ）-Red-crowned craneA.what do they call those birds B.how do they call those birdsC.what they call those birds D.how they call those birds3.Thier （flight ）（fly）number is CA333.4.Sit down and（relax yourself ）（别拘束）
