Listen and Circle CD2 13 1 3 4 dumb 2 lamp Bob thumb dub lamb bomb thump Challenge CD2 14 ~ 18 Little Bob has a lamb. He loves to comb its hair. He carries the lamb to the limb. Oh, thereʼs a bomb near them. carry 扛 ; 背 limb 大樹枝 near 近的 Unit 4 59