内容正文:
A, listen carefully, see how you can link the following words together, then practice saying them. One, kind and caring to an umbrella. Three, pick up. Four, find out. Five, volunteer at six, litter and mass. Seven, here are eat. There is nine, help people. Ten kind doctors, eleven best day, twelve quiet town. Thirteen, the area. Fourteen, go in. Fifteen, two oranges. Sixteen, three exercises.