P40 14-1 ng /Y/ P40 14-1 ng /Y/ P40 14-2 ck /k/ P40 14-2 ck /k/ P41 14-3 dr /dr/ P41 14-3 dr /dr/ P41 14-4 tr /tr/ P41 14-4 tr /tr/ P41 14-5 趣味法 P41 14-5 趣味法 P42 14-6 Practice I. Listen and number.