牛津自然拼读 · Oxford phonics World 2
u d ud b ud bud u p up p up pup b ud bud m ud mud p up pup c up cup
cup rat pup sun bud hug ten mud pup cup jug hat mud up bud pet pup. . . (歌曲不跟读)
mug bud cup mud rug pup bug
There is some mud. The mud is sad. A pup digs in the mud. A bug puts a pit in the mud. The sun comes up, It is a bud! Now the mud is happy. there some sad comes happy
